Can jot form provide the functionality for for a user to download a pdf document?

User responds with a 'no' to a question asked, we then set jot form to reveal text but would also like to enable a pdf download.

You could simply paste the link to your PDF document into a Text Field:

And then create a condition to show that Text field, that contains the hyperlink to your doc, based on another field selection or input: http://www.jotform.com/help/316-How-to-show-or-hide-a-field-in-the-form-based-on-the-other-field-input-or-selection