Print-Ready Banner Image Upscale

I have an AI-generated design that must be transformed into a sharp, print-ready file for a retractable banner measuring exactly 33" × 84" at 300 DPI. The artwork includes both graphic elements and text, so legibility and edge clarity are critical once enlarged... (Budget: $10 - $30 USD, Jobs: Adobe Photoshop, AI Image Editing, Graphic Design, Illustrator, Image Processing, Photoshop, Photoshop Design, Print Design)