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 presume that this is about sub users, in which case, 100 sub account users is the limit for the professional plan.
Do note that you could give access to your own account to any number of people (by sharing username and password), but as mentioned on the previous thread, this gives you more control as to what they can see.