[Interactive PDF Review Front-End](https://freelancer.com/projects/frontend-development/interactive-

[Interactive PDF Review Front-End](https://freelancer.com/projects/frontend-development/interactive-pdf-review-front-end.html) I need a polished front-end that lets users upload a PDF, see it immediately in an embedded viewer, then highlight text, drop comments in real time, and watch each other’s notes appear without a page refresh. Authentication should be the classic email-and-password flow, nothing more complicated. Here is how I picture the flow: a clean drag-and-drop zone brings the file in, the document renders page-by-page, and a lightweight toolbar offers pan/zoom, text selection, colour-coded highlights, and threaded comment bubbles. While one user types, everyone else connected to that document sees the markers appear instantly—so WebSocket/WebRTC or another live-sync mechan...