To create a good-looking interactive PDF form, you should use the special software like Form Docs and DeskPDF StudioX. It can be easily completed online without having to print the PDF. The interactive PDF form is a dynamic, writable or fillable PDF file that empowers you to fill out the form straightly by clicking into the field.
Here we will discuss how to change font size in PDF form on Mac, both free and paid solution included. But it's packed with poor editability, which makes it difficult to change font size, color or weight in a PDF file that contains blank form fields. PDF is now a common format for office similar to MS office, offering a smooth way to read, send and receive documents. “How do I change the font size in a PDF fillable form on a Mac?”- From Apple Discussion
