This task can be performed using PDFSlick Sync
Add real-time collaboration to PDF documents in your app
Best product for this task
PDFSlick Sync
team-tools
A drop-in PDF viewer that brings real-time cursors, comments, and annotations to your app. Turn your PDFs into active workspaces in minutes.

What to expect from an ideal product
- Drop in the PDFSlick Sync viewer component directly into your existing web app without rebuilding your PDF infrastructure
- Enable live cursors that show where team members are reading and interacting within the same PDF document in real-time
- Add instant commenting functionality that lets users leave feedback and discussions tied to specific parts of the PDF
- Implement collaborative annotations where multiple users can highlight, draw, and mark up documents simultaneously
- Transform static PDF viewing into an active workspace where changes and interactions sync across all connected users immediately
