Dimension lines don't line up after printing to PDF

Something odd is happening and I’m not sure what I need to change to fix the issue. I drew some dimensions in the layout and it looks good in the preview, but when I open the PDF it’s printed in a different position.

Hi Michael - please send the file to tech@mcnel.com. with a link back here in your comments; please also run the SystemInfo command in Rhino and copy paste the results here.