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.
A sub-user has its own Jotform account. The main account will give permissions to see/edit specific forms on the main account. The sub-account will only have access to the forms selected in the main account:
So you can have different sub-users with different access levels.
Only the main account will know which sub-users it has. The main account does not have access to the sub-users forms. Sub-users can use their own account normally, creating and editing their own forms without anyone else accessing them. But the forms created in the shared folder will belong to the main account so they can be accessed by other users, if the main account gives permission for that:
You can see here more details on this matter.
If you need further clarification please let us know.