Can an applicant upload pictures through a jot form?

Yes, it is possible. If you add a file upload field in the form, your users will be ale to upload a file in the form. You may like to take a look at the following guide, which should help you: https://www.jotform.com/help/332-how-to-create-file-upload-forms

Hope this helps.

Do get back to us if you have any questions.