The SA-AAQ has been evaluated and a shorter version is now available. The Brief Social Anxiety - Acceptance and Action Questionnaire is attached below.
MacKenzie, M. B., Kocovski, N. L., Blackie, R. A., Carrique, L. C., Fleming, J. E., & Antony, M. M. (2017). Development of a brief version of the Social Anxiety – Acceptance and Action Questionnaire. Journal of Psychopathology and Behavioral Assessment, 39, 342-354.