The best option to provide read-only access to the list of all submissions is the PC Online Forum of ConfTool Pro.
It gives all users with the
status PC member access to all submission and all review results.
Here they can primarily discuss the submissions and the reviews (if required), but they also have of course read access to all submissions.
To enable the forum please go to this page:
Overview => Settings => Phases and DeadlinesGo to the section "Online Forum: The Members of the Program Committee Can Access All Submitted Contributions and Discuss the Reviews" and enable the module via the toggle switch. Set a start and an end date.
You can enable or disable the forum at any time.
Furthermore, please make sure that all relevant users have the status
PC member:
Assignment of user roles