Is it possible to integrate the DocuSign sdk in such a way so that the signing can be done completely in local environment where there is no internet connection that is without sending the document to DocuSign through API and storing the signed documents to local directly? I don't want to send the documents to be signed to the DocuSign cloud through API. If yes can anyone please share code example or helpful link?
DocuSign has an appliance - DSA. The appliance can be bought, installed, configured by you. You would have to first do all of that before you can make any API call without internet. More information on the appliance and how you can try it out is here - https://developers.docusign.com/dsa-api