Not if its classified. Even if you are retired, those national security oaths follow you forever. That's one of the things that is peculiar about these disclosures.
But as I noted above, he doesn’t seem to provide methods and means or intel. Just info about the actual events at the time of OBL’s shooting. No 45 minute shoot-out, just 90 seconds to dispatch OBL to his eternal reeward. Oh, and about how ticked off he his men were about the political treatment of their mission. I doubt that would be classified. I ‘get’ the lifelong commitment to classified info, but even this much he couldn’t have said if he was still active duty.