acrobat pro is not adding printers mark. After adding Marks on acrobat no marks are visible

[Streamline21930167o09e]

acrobat pro is not adding printers mark. After adding Marks on acrobat no marks are visible. Is the a view setting I have to adjust? Please help. Thanks

[JR Boulay]

They are invisible because they are outside the displayed page zone.
You need to resize the page, making it larger.