The application "Preview", which is used for viewing images as well as PDF files, has support for entering text into editable fields in PDF documents. This is convenient for entering data into forms, ...

PDF is used by everyone nowadays because of its convenience to open, create, read, review, and print documents regardless of the hardware device or operating system or software program you are using.

Adobe added the option to mark fields that can be filled out with text, boxes that can be checked, and other helpers for form completion at least a decade ago–so long ago, it’s hard to find out when.