The 32-year-old actress played Peggy Olson in the period drama for all seven seasons of the show but admitted she is enjoying her new found 'freedom' to take on new projects now, reported Contactmusic.
"Obviously I'm very sad that the show is ending, but at the same time, there is a massive silver lining to it," Moss said.
"It's very liberating to be able to have the freedom, where I can go, 'Oh, yeah, I want to work with this filmmaker. Let's collaborate on something," she added.