Preview Submission empowers users to see submitted content in the form.
For example: Create a simple contact form.
Next, just drag and drop a Preview Submission Widget into your form.
Edit Preview Submission > Settings.
By default, all fields on your form will be shown up.
With Custom list fields, you are able to pick the single field that you want to show up.
A view of your form:
After filling in the information, the form will be displayed below: