Print-Ready Flyer Layout

I already have a front-and-back flyer designed by an AI tool and saved as a single PDF. The artwork, colours, fonts, and copy are all approved—nothing needs to change creatively. Your task is simply to rebuild the file so it meets professional print standards... (Budget: $30 - $250 USD, Jobs: Adobe Illustrator, Adobe Photoshop, Flyer Design, Graphic Design, Illustrator, PDF, Photoshop, Print Design)