Yes, you can use the same form on different pages of your website, which means that you don't need to create different forms for each page.
However, be careful that the same form is not used twice on the same page. This configuration isn't recommended and will not function correctly.
The Record UTM Tags form action captures the UTMs present in the URL of the page where the automation form is inserted.
For example, if the automation form is in a landing page and this landing page is accessible to the contact from this URL which contains the UTM variables.
When submitting this form, the Record UTM tags action retrieves all the values in the UTM variables present in the URL of this page and save them in Automation.
Please watch this video to see how to block certain email domains or email addresses from submitting your forms