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.
If I understood you correctly, you want to allow your users to sign your form. You can achieve that by adding signature fields to your form. I would suggest you to use Smooth Signature or E-Signature. Inside of this guide you can find how to add a widget to your form:
I saw that you are using guest account and that you do not have forms on it. I would suggest you to sign up before you star creating your form. Please use the next link to sign up:
Also this guides can help you to create your first form:
Hope this will help. Let us know if you need further assistance.