You might try going to https://assets.adobe.com/cloud-documents. See if clicking on the file will open it in your browser. If it does but doesn't look right, you can click on the filename above the image to access Version history to see if there's a better version saved.
You could also try going to https://assets.adobe.com/cloud-documents, clicking on the three dots below the thumbnail, and selecting Download to see if working from a local version helps.