What you can do is disable the Public Form option so your form won’t be public anymore.
2. On your Start Form Settings, scroll down until you find the Advanced Options. There you’ll find the ‘Share this form’-box, go ahead and uncheck it. After unchecking the Share this form box, your Start Form is no longer public.
Pipefy Tip: Disable your form even more easily via a shortcut! Click 'Create new card' and look for the Share button on the top right corner of your screen
Uncheck the box and your form is no longer public.