I am using the web component of Design Review 2013. But I am unable to see the ribbon toolbar for markup & measurment. I see it for the very first file that I open but it disaapears when I open second one in same session.
Check out the "Where is the ribbon - Part 2?" bit of this old post on my blog. Although written in 2009 for ADR 2010/IE7 Appears Autodesk is still disabling the ribbon in the second use of a browser session. Even in IE10 on Win 7 64