Hi Joanne!
You should be able import any .PSD file in Adobe Fresco, where I'm not sure that you can use your iCloud Drive, you can use creative cloud, and saving as .PSDC (Photoshop Cloud Document) https://helpx.adobe.com/uk/photoshop/using/cloud-documents-faq.html you can open in Photoshop for Desktop and iPad, Adobe Fresco without leaving the app, you can find your cloud file under Your Work>Cloud Documents. I hope this helps
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