sign pro PDF - Version 3
FAQs
What is the purpose of the Signing Certificate?
Why do I need to select or create a Signing Certificate when I first run sign pro PDF?
Answer
The "Signing Certificate" (also known as a "Digital Certificate" or "Digital Signature") is used to prevent the signed document from being modified. For more information on Signing Certificates please see also https://aboutssl.org/what-is-code-signing-certificate/