They can be frustrating and they can be altered behind your back, but PDFs are extraordinarily built into the Mac and there is so much we can do with them.
LINKS:
Support 58keys on Patreon: https://www.patreon.com/user?u=86274276
Join the Writer’s Mailing list too: http://eepurl.com/gQTqTT
Buy my book on Amazon US: https://amzn.to/3KhF19P
Or Amazon UK: https://amzn.to/3IzZm94
If you buy through my Amazon links, they may chuck me a penny or two. Or they won’t. Either way, it will never cost you anything extra.
Adobe Acrobat: https://www.adobe.com/uk/acrobat.html
CleanShot X: https://cleanshot.com
PDF Expert: https://pdfexpert.com/downloads
Nitro (was PDFpen): https://www.gonitro.com