Click edit on the Salesforce connection under "Connection Type" column.
Click on the "Salesforce Record Settings" bar to view the settings section.
Tick the "PDF Attachment" check box and press "Save Record Settings".
Now when a form entry is captured you will be able to see the form's entry as a PDF attachment under your record's "Notes & Attachments" section.
For any questions please email firstname.lastname@example.org.