PDF Visual Marker Cleanup

I have a multi-page PDF that was originally built in Adobe Acrobat (roughly a dozen pages). The text, layout, fonts, and sizing must stay exactly as they are—I only need the unwanted visual cues gone.... (Budget: $10 - $30 USD, Jobs: Adobe Acrobat, Adobe Creative Cloud, Adobe Illustrator, Adobe InDesign, Graphic Design, Print Design, Proofreading, Technical Documentation, Typography, Visual Design)