Is it possible to download a file once the form is submitted?

Or automatically email a document upon form submission?

Hi,

You can add a download link or an embedded document in the response email sent to your users.  Here is a guide on setting up an autoresponder:

http://www.jotform.com/help/26-Creating-a-Form-Autoresponder

You could also provide a download link in your thank you page:

http://www.jotform.com/answers/284129-PDF-File-in-Thank-You-Page

Let us know if this is not what you were looking for and we will be happy to help.