What's the best way to denote that a field in a form is a pro feature?

1. How do I label fields in Adobe forms?
2. How do I add a form field in Adobe Acrobat Pro?

How do I label fields in Adobe forms?

In the Forms menu, select Add or Edit Fields... For the field you want to edit, access the context menu and select the Properties dialog. In the General tab of the Properties dialog, type a description for the form field in the Tooltip field. Repeat for all form fields.

How do I add a form field in Adobe Acrobat Pro?

Open Acrobat: Click on the “Tools” tab and select “Prepare Form.” Select a file or scan a document: Acrobat will automatically analyze your document and add form fields.