All collaboration features are included for no additional cost with your Creative Cloud subscription.
No. Anyone can view or comment on files that you share using a public link — no Creative Cloud subscription 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.