Persistent bottom sheets in material design

I'm designing an application with a bottom navigation.

In one of the views the user may click on a floating action button which opens a page containing a form to fill; and this form page I'm referring to does not have the bottom navigation.

I would like to use a persistent bottom sheet on this page, as long as the user can add rows or attach something or other actions that are related to this form (as the persistent bottom sheets are "to display content equal in value to the primary content" as google states). Will it be confusing?

Of course the icons on the bottom navigation and persistent bottom sheet are different, so it won't be a confusion due to similar icons.

Here's an example of what I'm trying to achieve on the form page (google.com/forms but it's on the web):