JotForm is a free online form builder which helps you create online forms without writing a single line of code. No sign-up required.
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.
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Once you have downloaded your PDF form, you can send it via email, user will need to download the file and then open it in a PDF reader, you can find further info on this link : http://www.jotform.com/help/312-Fillable-PDF-Everything-you-need-to-know-about-JotForm-Fillable-PDF-Creator
Do let us know if you have more questions, we will be more than glad to assist you.