I need to edit my adobe 9 signature to change the email used in the signature. Can someone assist with the process?
Once a digital ID is created the contents of the certificate portion (the part of the digital ID that contains the stuff you can read) cannot be modified. That's because the certificate (also known as the "public-key certificate") is signed by the issuer and signed data cannot be altered without breaking the signature (that is the core purpose of signing data, to provide assurance of data integrity).
Your only recourse is to procure a new digital ID from the issuer.