To export the Applications installed on your machines, head over to Dashboard -> Applications -> Export Applications Data.
You have to keep in mind that this will export all of your applications for every device.
The ability to export applications on a per policy basis is a separate Feature Request we encourage you to go up vote: AM-3078.
You can vote on this feature by going to Support -> Issues within Addigy.
Issues with more votes get pushed into the next sprint faster. The title of the feature is "AM-3078 - Ability to export application data per policy".