PDF Security

Security can be set to restrict access to the PDF or to require a password for modification. Some functions, such as extracting pages, cannot be performed without first breaking its security and doing so will revert the PDF to an unsecured state.

The Security icon on the Navigation Bar shows the current security settings of the active PDF. Click it for complete security details. In general, the icons indicate the following security states:

No security is defined.

Password is required to open the document.

Printing and editing are limited.

Password is required to open the document and printing and editing are limited.