Optimize Slow-Loading PDF File- 3 similar PDFS - Need optimization

We have a 5 MB and 7 MB and 8 MB PDFs that was exported from a layered PSD. Strangely, despite the modest file size, it lags on every device and in every viewer I have tried. The file eventually opens, so it isn’t corrupt, but the delay is unacceptable for everyday use and for sharing with clients. What I need is a clean, fully-optimized replacement that opens instantly while still looking perfect on-screen and on paper. Please preserve print quality—this brochure must be press-ready—as well as on-screen clarity. Feel free to tackle hidden issues such as stray transparency, oversized images tucked inside clipping masks, embedded fonts, or bloated metadata. Deliverable • A single PDF that loads quickly on desktop, tablet, and phone and remains sharp when printed. • A brief note on the steps you took (preflight fixes, Acrobat optimization settings, layer flattening, etc.) so I can replicate the process in future. If you spot anything in the original PSD that contributes to the slowdown, let me know; I can supply the FIGMA on request. We have the PDFS FIGMA and the PDFS loading Slowly( See the PDFS in Zip) Budget $35-$45. Thanks you. Quick job for right person . YOU MUST MAKE THE PDF ALSO MUCH SMALLER IN SIZE STILL HAVING THE SAME VIEWING QUALITY.