[Hey - sorry for the late reply. I either missed a notification of this post or did not get one.]
does not have native libraries for sound though it can be hooked up to various sound APIs and middleware.
Interactive audio is a huge part of the titles Sleeping Dogs and Triad Wars and it was done using with bindings into the Wwise audio system.
We had a good discussion with Audiokinetic - makers of Wwise - at the Game Developers Conference about sharing this awesome interactive audio authoring experience with more people in the future.