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.
That is strange. Were you logged in already to your Facebook account? Have you already checked our guides on how to embed form to FaceBook? Please take a look at it here:
If the issue persists, please share a screenshot of the permission screen which you see and we will take a look. The following guide should help you in uploading image in your forum post: http://www.jotform.com/answers/277033