What is JotForm?
JotForm is a free online form builder which helps you create online forms without writing a single line of code. No sign-up required.
At JotForm, we want to make sure that you’re getting the online form builder help that you need. Our friendly customer support team is available 24/7.
We believe that if one user has a question, there could be more users who may have the same question. This is why many of our support forum threads are public and available to be searched and viewed. If you’d like help immediately, feel free to search for a similar question, or submit your question or concern.
I checked your form and it appears that you were able to add a link to the terms successfully.
However, when I clicked the link, I was unable to download the PDF.
To make sure that the user gets the pdf when they click the link, I would suggest to store the file in your server or in a storage service such as dropbox or google drive. Then you can use the link provided by the service to make sure that the user successfully downloads the file.
Here's a guide that can help:
If you need further assistance, please let us know.