One of the improvements to Forms is you can now pause completion of the form and come back to it later. This is very handy when you need to wait for some information or if you just want to take a quick break.
Open a job, tap Job Action ( + )
Tap Forms
Select a form to use
Fill in some information
Swipe down from the Form name to Pause.
TIP: take care to swipe down from the grab bar/form name, inside the screen.
The incomplete Form will be placed in the job checklist