In article , Stijn De Jong
wrote:


Oh, I've found Apple's Preview; but it has been a long time since I last
used Preview to create arrows (where it failed miserably to do the simplest
of things).

nonsense. it's incredibly easy to create arrows and quite a bit more.
as usual, you failed and are blaming others.

view the annotate menu:
https://www.cisdem.com/resource/atta...te-a-pdf-mac-p
review.jpg

or directly from the toolbar:
http://tidbits.com/resources/2016-04/Shapes-button.png
http://tidbits.com/resources/2016-04/Preview-wild-text.png
http://tidbits.com/resources/2016-04/Shape-color.png

it doesn't get any easier than that.