Earlier quoted context omitted.
I wish this got talked about more, Preview is both crazy good and free. You can split PDFs apart, merge multiple different ones into one file, use password protected files, edit and annotate them, add your signature, and so much more. Best of all, it just works, all the time.
Agreed, but the inability of Preview to edit text must be noted.
Fonts might or might not be embedded.
Paragraphs might be split into chunks, words, characters or simply outlines.
There’s no typesetting config. Nothing about margins, spacing, hyphenation, etc.
But then again, sometimes there is. The point is that it’s an output format.