Use DocuSign electronic signature inside a SharePoint Library (updated)
(Ap. 2021 update: Video below has been re-uploaded to fix the damaged sound)
There are many Apps that can do “magic” in just a few seconds in SharePoint.
Here is one example of sending a document from a SharePoint library to the external service DocuSign (requires a subscription starting from free) and waiting for signatures to come back to save the outcome back into SharePoint.
Click here to subscribe to my YouTube channel.
