When using the iTwin Design Review, using the address https://review.itwin.bentley.com/ with my Bentley login credentials, there is no "data visualization" option available.
I have uploaded a model using the "New Session" --> "Upload a file" option.
This is how my user interface looks like:
I miss the data visualization option that I expect to have in the bottom left corner. Since this is the most useful thing I can think that iTwin Design Review can be used for, I do not understand why this feature is disabled for me.