Generate Letters from Document Records - Ability to include e-Signature

Summary

For Letters for documents generated using the functionality to Generate Letters from Document Records for a Specific Document Type (Doc ID 2650165.1 ) is there a possibility to include a e-signature

Content

For Letters for documents generated using the functionality to Generate Letters from Document Records for a Specific Document Type (Doc ID 2650165.1 ) is there a possibility to include a e-signature block at the end. 

Currently the Checklist Tasks for Advanced Electronic Signature provides e-signature , but the task can not be used if employee has to provide some information ( not in HCM as part of their employee record)  to complete  and fill in the document being generated. The RTF template can only have pull data points from employee record and include in the document.