You could see the lines executed by the script in the OA log but definitively there is not any message back to the client at user interface level. No DBMS_OUTPUT message at the client.
You can log an enhancement request for this issue to be included in the next Stat release.
To log an enhancement request for this feature, please visit the Stat Community Idea portal at
http://communities.quest.com/community/stat?view=idea.