Withdraw a signature after a form has been sent for signature - possibility to delete a signature after it has been signed (set inactive/invalid) - possibility to add a signature after a document has been sent for signature.

It is desirable to be able to withdraw a single signature after the form has been sent for signature (or delete a signature) instead of revoking the entire form. It is desirable to be able to edit by adding a signature after the form has been sent for signing.
Make it possible to delete a signed signature from a form (or make it invalid if, for example, the employee who has signed no longer works for the company).