All collaboration features are included for no additional cost with your Creative Cloud membership.
No. Anyone can view or comment on files that you share using a public link — no Creative Cloud membership required. For private links, users need a free Adobe ID to verify their identity.
Yes, you can invite others to edit cloud documents created in Adobe XD, Photoshop, Illustrator, and Fresco.
Yes. Cloud documents can now be shared from Photoshop, Illustrator, and Fresco with a public link for viewing and commenting.