Thanks for reaching out. Could you please check if you are signed in with the right email address on the Creative Cloud Desktop App and if you are signed in with the right email, I'd request if you can sign-out and sign in again. Please ensure that the File Sync is enabled in the Adobe Creative Cloud Desktop app. For more information on file syncing, you can also refer to this help article: https://helpx.adobe.com/creative-cloud/help/sync-creative-cloud-files.html
Please try the steps and let us know if this works or if you need any further assistance.