You're right, it's really convenient, and you don't have to waste your time and money dealing with all the paperwork and printing. You can learn about electronic document signing on this page https://fluix.io/solutions-esigning. It helps you capture each signature and receive signed copies in no time, and I hope you won't have any problems with that.
I think you get notified about that. I'm thinking about using e-signatures too because it seems quite convenient
If you using Digital signature certificate (DSC) and its not yet expire, but you get message that your certificate revoked. That’s mean your certificate validity cancel by administer. For resign you can contact your administer for that. For a certificate which has not expired, the issuer of that certificate is responsible for maintaining something called a ‘revocation list’.