Sets the default security options used to create secure PDF files.
Encryption Level
Sets the encryption level for Adobe® PDF output.
40-bit - RC4 encryption which can be opened in Acrobat 3.0 and higher
128-bit - RC4 encryption which can be opened in Acrobat 5.0 and higher. 128-bit provides stronger encryption, so your PDF file is more secure.
128-bit AES - can be opened in Acrobat 7.0 and higher, AES encryption is more secure the RC4.
256-bit AES - can be opened in Acrobat 9.0 and higher, 256 AES encryption is more secure against brute force attacks.
Allow Users to
Copy text and graphics – text and graphics from the PDF file can be copied to the clipboard and used in other applications.
Change the document – pages can be added or deleted from the PDF file.
Print the document – the PDF document can be printed.
Add or change comments and form fields – annotations and form fields in the PDF file can be added, deleted or modified.
Passwords
Password required to open document – allows you to set password for users to open the Adobe PDF output.
Password required to change document – allows you to set password for users to modify the Adobe PDF output.
