This dialog allows you to set encryption options for the PDF file to be saved. See the dialog.
Compatibility
Specifies the encryption type to encrypt the PDF document. The option Acrobat 3.0 and later uses a low encryption level (40-bit RC4), while the other option Acrobat 5.0 and later uses a high encryption level (128-bit RC4).
Encryption Level
Shows the level of the encryption compatibility that you specified in the Compatibility drop-down list.
Require a password to open the document
Select this option and specify a Document Open Password to prevent users from opening the document unless they type the password you specify.
Document Open Password
Specifies a password to help prevent users from opening the document without authorization.
Confirm Password
Confirms the password you have specified in the Document Open Password text box.
Use a password to restrict printing and editing of the document and its security settings
Select this option and specify a Permission Password to restrict users from printing and editing. You cannot use the same password used for the Document Open password.
Permissions Password
Specifies a password to help restrict users from printing and editing the document.
Confirm Password
Confirms the password you have specified in the Permissions Password text box.
Printing Allowed
Specifies the printing quality for the PDF document.
Changes Allowed
Specifies the editing actions that are permitted in the PDF document.
Enable copying of text, images and other content
Allows users to select and copy the contents of the PDF document.
Enable text access for screen reader devices for the visually impaired
Allows visually impaired users to read the PDF document with screen readers. This option is available only if the Compatibility option is set to Acrobat 5.0 and later.
Reset
Discards your modifications and restores the dialog to its default status.
OK
Applies the settings and closes this dialog.
Cancel
Cancels the settings and closes this dialog.
Help
Displays this help document.
