Inkscape, which is free and open source, does a very competent job of taking part .pdfs and allowing you to modify them these days.

Firefox just added PDF editing to the native browser!

Just so yall know, Firefox added a pdf editor.

*opens issue on opensource bugtracker demanding propietary features for free*

“I can’t believe the devs haven’t implemented this yet!”

*doesn’t donate a cent*

PDF is not a format designed for editing. It’s an export format designed to be a middle ground between a word processor and a printer.

You can bastardise extra layers onto it, but that’s about it.