It looks like Preview is adding comments to the PDF. In Acrobat Pro, check your preferences, Commenting> Print notes and pop-ups. Does that help?
Did you try to print the PDF from Pro before you combined it?
It looks like Preview is adding comments to the PDF. In Acrobat Pro, check your preferences, Commenting> Print notes and pop-ups. Does that help?
Did you try to print the PDF from Pro before you combined it?