PDF documents can be secured in various ways.

• Security Settings and Permissions - Encrypt PDF documents, set user/owner passwords, and permissions to control editing, printing high and low resolution, and copying content. Edit or remove security settings from a secure document.
• Redaction - Safely remove sensitive, confidential, or privileged information - such as personally identifiable information - from PDF documents without covering or obscuring.
• Watermark - Add text or image watermarks on PDFs in order to personalize documents and verify if a PDF document is a copy or original, or from the authorized company.
• Header and Footer - Add, edit, or delete headers and footers such as page numbering and dates in existing PDF documents.
• Bates number - Add bates number to place identifying numbers or time-marks on documents as they process, indexing legal documents for easy identification and retrieval.