Recreate Editable 9-Page PDF

I have a nine-page PDF that I originally generated with ChatGPT. The layout, colours, and typography are already approved, but because the file is just a flattened image, some text and graphics appear blurry when printed or zoomed in... (Budget: £20 - £250 GBP, Jobs: Adobe Illustrator, Adobe InDesign, Graphic Design, Illustrator, Photoshop, Print Design, Typography, Visual Design)