[sciurius]

But only the source file/pdf itself, no annotations, page order, cropping etc., right?

Yes... Annotations, page order, cropping etc. are not part of the song file, but stored in the database.
I once had a tool that extracted the annotations data from the database and applied these to the song pdf/jpg but that was long before the great rework and improvements that Mike did some time ago so it no longer works.

I assume (just haven't tried it yet) that printing a song will include all this.