In my limited experience of friends' use of Noteworthy, it is notorious for this - I have seen reviews describing it as the worst of all possible options.

Certainly I have had to reset music completely to get round it.

Some owners seem to be able to convert to pdf, and others can't - whether this is a noteworthy version issue, or an owner competence issue, I wouldn't like to say.

Word to jpg is a Ghostview capability, I think.

Paws