If the server running the dashboard uses the same certificate to identify itself to the puppetmaster with it's puppet agent and the dashboard application, the dashboard application will be able to see it's host's private information in the inventory and file server.
If the server running the dashboard uses the same certificate to identify itself to the puppetmaster with it's puppet agent and the dashboard application, the dashboard application will be able to see it's host's private information in the inventory and file server.
This may not be desireable.
Needs to be tested and documented.