Resize 159-Page PDF Book

I have a finished 159-page children’s colouring book saved only as a single PDF. The pages were designed in Canva at a larger size and now need to be resized to A4 (8.3 × 11.7 inches). I want every page... (Budget: £10 - £20 GBP, Jobs: Adobe Acrobat, Adobe InDesign, Brochure Design, Canva, Graphic Design, PDF, Print Design, Visual Design)