Insert Ready Text into PDF

I have an existing PDF that needs several paragraphs of already-prepared text dropped into specific spots without disturbing the current layout. No images, form fields, or extra design work—just clean... (Budget: ₹600 - ₹1500 INR, Jobs: Adobe Acrobat, Adobe Creative Cloud, Adobe Creative Suite, Adobe InDesign, Brochure Design, Graphic Design, PDF, Proofreading)