It provides the ability to visualize statistics (unique counts) from fields in a Reviewer workspace. The statistics represent total counts of results summarized by a field. It provides an interactive way to spatially filter results from a Reviewer workspace.
Also we have updated our December 2012 release of Report Feature to work with ArcGIS Flex Viewer 3.3 and Data Reviewer Server Flex API 3.3. Below is a link to the updated widget