Upscale PDF Roller Banner

I have an existing roller-banner design in PDF format and simply need it prepared for print at 80 cm × 200 cm. The artwork is for event promotion, so crisp, high-quality output is essential—no changes to layout, colours, or copy, just a clean resolution boost... (Budget: £10 - £20 GBP, Jobs: Adobe Illustrator, Adobe Photoshop, PDF, Photoshop, Print Design)