I was wondering if when adding multiple pages to a form, if it's possible to edit/format the button? I know I can edit the submit button, but that's only at the end of the form.

Answer:

Yes, you can customize the Submit button on the form, refer to this documentation: https://formnx.com/details/docs/features/submit... to know how to customize the design of the submit button.
If you want to edit/format the Next/Previous Button of the form. You can customize the design of the Next/Previous button through Custom CSS only. Please refer to this documentation: https://formnx.com/details/docs/getting-started... to know how to add custom CSS code to your form.
Please ensure that your plan includes the "Custom JS/CSS" feature so that you can add custom CSS to your form.