Thanks for the suggestion. As a workaround,
Create/Run a SA report using report designer in DM
Save to PDF
Add the file to the environment after harvesting DM model to Metadata Manager of DISuite via right click on environment->New Document... and attach the .pdf file
Go to erwin BUP (v10.1) , browse through the environment and view its details. At right bottom, you have a section listing the documents attached under environment.