In most cases, Adobe PDF files contain static data, not intended for other users to edit. PDF forms, however, can have editable text boxes, allowing you to fill out the form without having to print it ...
When you're presented with a PDF form, the options for adjusting the size and style of the text are often limited. If you want to change the font in Adobe Reader, you might not find the solution ...
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.