Adam Scott already knows the ending of “ Severance .” “Oh Yes. I’m an executive producer on the show, so I’m involved in all of it. We talk with the writers, and Dan [Erickson], all the time. I know everything about what’s going on. [As an actor] I like having as much information as possible.” Just like the whole world, he’s more than ready for Season 3. “It’s going to be great. There’re so many surprises. I can’t wait to shoot it,” he said. As previously announced, Ben Stiller won’t be directing this time. Popular on Variety “Ben is still very involved in the show. It’s going to be great. You know, it’s been over two years since we finished shooting Season 2. We’re all anxious to get back. We miss each other.” Scott, who will be receiving the Canal+ Icon Award at Canneseries this week, admitted he really, really wanted the role. “I don’t know if I would categorize it as a battle, but I certainly had to prove I could do it.…