This is an interesting topic. Lots of great help and advice offered in this thread - lovely to see.!
Though, this caught my eye…
As such, can I gently suggest @Kai_Schwirzke a small ‘side-mission’ for you here.? There may or may not be some value in taking a quick look yourself at exactly what Cubase Pro 15 Score Editor is outputting, when printing to PDF…? Since, as user @CMW says, this is what was used as his PDF source…
Bob