Precise PDF Edits Needed

I have several PDF files that require meticulous updates while preserving every pixel of the existing layout. The tasks include: • Editing text or numerical data • Adding or removing pages as indicated... (Budget: $30 - $250 USD, Jobs: Adobe Acrobat, Adobe Creative Cloud, Adobe Illustrator, Adobe Photoshop, Graphic Design, Illustrator, PDF, Photoshop)