The Great Planes Super Stearman is an ARF. Plans for ARFs are not available.
If you just want Super Stearman plans, and not specifically the Great Planes version, you might be able to get plans for the Midwest Super Stearman kit. Contact Midwest. Search Google for Midwest Super Stearman and their site should be in the results.
Also check RCM plans service and AMA plans service to see what is available.