Is there a more convenient way to pre-populate form fields, not via URL? What if I have a form with 50 questions and long answers, and I want the user to be able to go back the form and update their responses?
Redirect on completion can point to a form field (those include calculated fields). So you can use conditional logic to determine when an application is accepted/rejected and based on that set the redirect URL in a calculated field. Then you can use this calculated field in the Redirect on completion.
You can read more about the above mentions features here: