Your photos in Photoshop.com migrated to Revel. I see that you have 973 photos in your Revel account in a library called shannon's library. You can no longer access files on Photoshop.com sharing and storage since it has been shut down. You login to the Revel account the same way you did in you Photoshop.com account.
Revel does not have a space limit, but free accounts are limited to 50 uploads a month. Premium accounts have unlimited uploads.
Revel is not part of the creative cloud that includes our professional offerings and a different cloud storage.
I hope that helps. Let me know if you have further questions.