PDF Manager can apply three different levels of encryption to your PDF documents:
None
This option is selected by default and the documents are not encrypted. You cannot set any of the other options on this screen if None is selected.
High (128-bit RC4 — Acrobat 5.0 and later)
If you set the Encryption level to High, all the following permission options are selected by default. You may deselect or change them, as necessary.
|
Permission option |
Description |
|---|---|
|
Allow change |
Enables the user to edit a PDF document. |
|
Allow filling in form fields |
Enables commenting, filling in form fields and extracting pages when reviewing the PDF document. |
|
Allow notes |
Enables the user to add comments to a PDF document. |
|
Allow assembly |
Enables the user to insert, rotate, delete pages and create bookmarks in a PDF document. |
|
Allow copy |
Enables text, images and other contents in the PDF document to be copied. |
|
Allow copy for accessibility |
Enables screen readers for the visually impaired to read the PDF document's contents. |
|
Allow printing |
Enables the PDF document to be printed by any version of Acrobat application, to any printer and PDF creation software. |
|
High resolution |
Default selection. |
|
Low resolution |
Enables the PDF document to be printed in DRAFT format and restricts printing to a PDF creation program such as PDF Manager to create a new PDF file. |
Low (40-bit RC4 — Acrobat 3.0 and later)
If you set the Encryption level to Low, the following permission options are enabled.
|
Permission option |
Description |
|---|---|
|
Allow change |
Enables the user to edit a PDF document. |
|
Allow notes |
Enables the user to add comments to a PDF document. |
|
Allow copy |
Enables text, images and other contents in the PDF document to be copied. |
|
Allow printing |
Enables the PDF document to be printed by any version of Acrobat application, to any printer and PDF creation software. |
|
High resolution |
Default selection. |