User Manual Guide PDF Protection Tool
Choose a PDF file by browsing its location.
The PDF file description will be displayed in a window.
Now select the Encryption Level and hit on Next button.
Type the user password and owner password. The user password is optional where as owner password is mandatory. Click on Next button.
Provide the name to output PDF file and click on Protect PDF button.
It will take a while to complete the process. Click on OK when process gets completed.