Where do my form submissions go

Your submissions are stored on your JotForm account and they are sent to you via email if you have configured that. 

To check the submissions on your JotForm account, please log in and follow this guide: https://www.jotform.com/help/269-How-to-View-Form-Submissions 

To find the email recipient or if you have configured an email notification on your form, please check this: https://www.jotform.com/help/41-How-to-Find-and-Change-the-Email-Address-Used-for-Notification-Email 

I hope this helps.