How to add save button on the form so they can save data while doing inspections.

also show me how to add save button on the form so they can save data while doing inspections.

There are two methods to save data in the form before submitting in order to continue later:

1) This method will save the data in your user's browser local storage, so they will need to get back to the same browser to continue with the form: https://www.jotform.com/help/227-How-to-Enable-Auto-Fill-on-Forms 

2) And the following method is for your users to continue filling the form from any browser and device: https://www.jotform.com/help/97-How-to-Save-Forms-and-Continue-Later 

Let us know if you have more questions.