You can use micromamba or brew as local and then install pandoc and run from the terminal. It will rest in your home so I don’t think it will get erased.

My bad, English is not my mother tongue. Tuxguitar has also for chords and yu can add them to pdfs when printing.

Tuxguitar has a fork with update development (android version included), and for looking up chords (guitar) you can check there is “fretboard” in flathub.