What happens to the form after I submit it?

The owner will receive an email about your submission. If you own the form, you can access the data through the submissions page.

https://www.jotform.com/help/269-How-to-View-Form-Submissions

From there, you can run reports.

https://www.jotform.com/help/326-How-to-Create-Form-Reports-in-JotForm