Board Thread:Versus Debates/@comment-31201212-20170203093333/@comment-31201212-20170206222319

Up until Gaiden, they know everything they've personal witnessed. I'm not sure if Lee has any knowledge of Sakura's new-found abilities, but because Lee hasn't improved, technique-wise, she'd surely know all that he can do.

EDIT: He will know of Katsuyu, yes.