A Content Rule can require a signature to be added by the Reviewer of the task.

The signature can be added by:

Upload a Signature File [a document containing the signature].

Or by entering text in the Enter Signature field. 

*Note – 

Signatures will be visible in Document History.  Under Activity, that ‘Signed’ reflects the status.

*Note – 

Signatures will be visible in Document History.  Under Activity, that ‘Signed’ reflects the status.

The paperclip image indicates the attached signature. Click paperclip icon to see text or image.

Select this link to learn how to enable a Simple Review Content Rule.