Precise PDF Text Revision

I have a short PDF statement (no more than five pages) that needs a few words removed and replaced with new wording. Nothing else in the file should shift—fonts, layout, margins, and page order must look exactly as they do now... (Budget: $30 - $250 CAD, Jobs: Adobe Acrobat, Adobe Creative Cloud, Adobe Illustrator, Adobe InDesign, Adobe Photoshop, Graphic Design, PDF, Word)