PDF Works · Legal

Document Processing Disclaimer

Powerful tools for your documents, with clear expectations. Understand the limitations of scanning, conversion, text recognition and electronic signatures.

Last updated: November 11, 2026
PDF Works: Scan & Convert ("PDF Works", "App", "we", "us", or "our") provides tools to scan, convert, edit, sign and organize documents. While the App is designed to make document processing easier, automated features may produce inaccurate or incomplete results. Please review this disclaimer before relying on files processed through PDF Works for legal, financial, professional, official or otherwise important purposes.

01 The App Provides Tools, Not Guarantees

PDF Works is a document productivity application designed to help digitize, organize and work with files more efficiently.

Although we aim to deliver accurate and reliable features, no scanning, document recognition, editing or file conversion technology can guarantee perfect results in every situation.

Processing outcomes depend on the source document, image quality, file structure, format compatibility and other technical factors.

Important: Always review the final document before sharing it, submitting it to an organization or relying on its contents.

You are responsible for determining whether a processed document is accurate and appropriate for your intended use.


02 OCR (Optical Character Recognition)

Important: OCR text recognition can contain errors. Always proofread extracted text, especially before using it in legal, financial or contractual documents.

PDF Works may use Apple's native text recognition technologies, including the Vision framework, to extract text from scanned documents and images.

Recognition accuracy varies depending on:

  • Image quality: Blurry, dark, noisy or low-resolution images may reduce accuracy.
  • Handwriting: Handwritten text can be more difficult to recognize than clear printed text.
  • Font and size: Very small text, decorative typography and uncommon fonts may cause errors.
  • Language and special characters: Accents, symbols, formulas and uncommon characters may be misinterpreted.
  • Perspective and lighting: Shadows, reflections, skewed pages and uneven lighting may affect results.
  • Complex layouts: Multi-column documents, tables, forms and graphics may be extracted in an incorrect reading order.

OCR may omit words, misread numbers, change punctuation or rearrange content. Such inaccuracies may be difficult to detect without comparing the output with the original document.

You should verify names, dates, amounts, identification numbers, contractual clauses and other important details before relying on recognized text.


03 Electronic Signatures

Important: A signature drawn or inserted into a PDF is not automatically a qualified electronic signature. Its legal effect and acceptance depend on the applicable law, the document and the requirements of the recipient.

PDF Works allows users to place signatures onto supported PDF documents using the signature tools provided within the App.

A signature created in this manner may qualify as a simple electronic signature, depending on how it is created, associated with the document and used.

It should not be confused with other types of signatures that require specific technical or legal procedures.

Different Types of Electronic Signatures

  • Simple electronic signatures: May include signatures drawn onto a document or other electronic indications of agreement.
  • Advanced electronic signatures: Must meet additional requirements concerning the identity of the signatory and the connection between the signature and signed data.
  • Qualified electronic signatures (QES): Meet specific regulatory requirements, including qualified certificates and qualified signature creation mechanisms under the EU eIDAS framework.

Under Article 25 of the EU eIDAS Regulation, an electronic signature must not be denied legal effect or admissibility as evidence solely because it is electronic or is not a qualified signature.

However, only a qualified electronic signature is expressly given the equivalent legal effect of a handwritten signature throughout the EU.

You can learn more from the European Commission's electronic signature guidance .

When Additional Verification May Be Needed

Certain transactions may require more than an image of a signature, including:

  • Documents requiring a qualified electronic signature.
  • Documents subject to notarization or witnessing requirements.
  • Certain property or real estate transactions.
  • Some governmental or regulatory submissions.
  • Documents where identity verification or an audit trail is mandatory.

Before signing an important document, verify the requirements of the receiving institution and the laws applicable to the transaction.

PDF Works does not represent that a standard signature placed through its drawing or annotation tools provides qualified certification, independent identity verification or notarization.


04 PDF Conversions

Important: Converted documents may contain formatting changes, missing elements or recognition errors. Always review the converted file before using or sharing it.

PDF Works provides conversion tools for supported document formats. These may include conversions between PDF and formats such as Word, Excel, PowerPoint, images or text, depending on the features available in your App version.

Conversion is a best-effort process. Results may differ from the source document because of:

  • The complexity of the original PDF.
  • Whether the file contains scanned images or selectable text.
  • Embedded fonts and custom typography.
  • Tables, charts, forms and illustrations.
  • Columns, headers, footers and page numbering.
  • Unsupported elements, encrypted files or damaged source documents.
  • Differences between document formats and compatible editing software.

Some conversions may rearrange content, change page breaks, alter line spacing or omit unsupported formatting.

Before Sharing a Converted File

  • Open the converted document.
  • Compare it with the original file.
  • Check important names, numbers and dates.
  • Verify tables, graphics and page layout.
  • Make any necessary manual corrections.

Server-Assisted Conversion

Some conversion operations may require an external processing service.

When you actively request such a conversion, the selected document may be transmitted securely to the relevant conversion provider for processing.

The provider may temporarily process or retain the selected file and technical metadata according to its applicable retention and security policies.

Privacy note: Server-assisted conversion does not mean that all documents stored on your device are automatically uploaded to a server. For more information about document processing and third-party services, review the PDF Works Privacy Policy.


05 Identity Documents and Sensitive Materials

Important: Documents containing personal, financial, health or identity information require careful handling. Consider their sensitivity before importing, converting, exporting or sharing them.

PDF Works may be used to scan and process documents containing sensitive information, including:

  • Identification cards and passports.
  • Driver's licenses and identity records.
  • Invoices, tax records and financial statements.
  • Medical documents and personal records.
  • Employment and contractual information.

Documents stored within the App generally remain in your iPhone's local application storage, except where you choose a feature that transmits a selected document to another service.

You should take reasonable precautions when handling sensitive documents:

  • Authorization: Ensure you are permitted to scan, store or process the relevant material.
  • Device security: Protect access to your phone using available security features.
  • Sharing: Confirm recipients and destinations before exporting sensitive files.
  • Cloud conversion: Consider whether a document contains sensitive data before initiating processing through an external service.
  • Legal requirements: Follow applicable privacy, confidentiality and document-handling laws.

You must not use PDF Works for identity fraud, impersonation, forgery or unlawful alteration of official records.

These recommendations do not limit our own obligations under applicable privacy and consumer protection laws.


06 Document Editing and Alterations

PDF Works offers tools to edit, annotate, sign, reorganize and modify supported PDF documents.

These features are intended for legitimate document management tasks, such as:

  • Completing forms.
  • Adding notes or annotations.
  • Adding authorized signatures.
  • Organizing or rearranging pages.
  • Merging or splitting PDF files.
  • Preparing documents for lawful sharing or submission.

You must ensure that edits or modifications:

  • Do not unlawfully misrepresent an original document.
  • Do not infringe the rights of an author, owner or third party.
  • Do not amount to forgery, fraud or other unlawful conduct.
  • Are appropriately identified or disclosed when required.

Editing a document does not automatically establish its authenticity, legal validity or acceptance by a third party.

Always check the requirements of any organization receiving an edited or processed document.


07 Not a Substitute for Professional Services

PDF Works provides document productivity tools. It is not a law firm, accounting service, notary, financial adviser or professional certification authority.

The App does not provide legal, financial, accounting or other regulated professional advice.

It should not be treated as a substitute for:

  • Professional review of important contracts.
  • Verification of tax filings or financial statements.
  • Advice from a qualified lawyer or notary.
  • Official identity verification services.
  • Certified or qualified electronic signature providers when required.
  • Professional validation of regulatory or governmental submissions.

If a document has significant legal, financial, medical or professional consequences, seek appropriate expert assistance before relying on the processed file.


08 Your Responsibility

By using PDF Works, you acknowledge that document processing technology may have technical limitations.

You are responsible for:

  • Reviewing OCR output for errors or omissions.
  • Checking converted documents before use.
  • Ensuring that signatures meet applicable legal or recipient requirements.
  • Using the App for lawful purposes.
  • Protecting documents containing sensitive or confidential information.
  • Maintaining appropriate backup copies of important documents.
  • Confirming that documents are suitable for their intended use.

We aim to provide reliable software, but the availability and accuracy of individual processing features can depend on factors outside our reasonable control.

To the extent permitted by applicable law, we do not guarantee that every document produced by the App will be error-free or accepted for every purpose.

Your legal rights remain protected. Nothing in this disclaimer excludes or limits warranties, remedies, statutory consumer rights or liability that cannot lawfully be excluded.

This disclaimer should be read together with the PDF Works Terms of Service and Privacy Policy.


09 Contact Us

If you have questions about document processing, OCR, conversions, electronic signatures or this disclaimer, please contact our support team.

We're here to help.

For questions about PDF Works and its document processing features:

We aim to respond to support requests within a reasonable timeframe. Requests involving legal or privacy rights will be handled according to applicable law.