At "Sent list", >"Documents"  you can find the icon to download the original documents.

By clicking on  "All documents" , the documents uploaded by the signatory (if applicable), the documentary evidence with all  the signatures and the documentary evidence per signatory that includes each single signature are displayed. 

If any incident occurs when clicking on any filename, it is necessary to submit a support ticket to the Technical team (see “What information is necessary to submit a support ticket?”).