how to access my iCloud files on another device

Go to www.icloud.com and log in using your Apple ID and password. Assuming you are syncing your files to iCloud, you should find them by clicking on the icon "iCloud Drive".

Add your Desktop and Documents files to iCloud Drive - Apple Support

What Luis said, or create a shared iCloud folder giving your husband's account the privilege to make changes to your files.

- Pie Lover

What Idris said, or create an account for yourself on the desktop mac and set it up to connect to your Apple id, and access your iCloud Drive just as you do in your mac. People seem to forget or not realize that macOS is a multi-user OS 🤓

Luis Sequeira1 wrote:

What Idris said, or create an account for yourself on the desktop mac and set it up to connect to your Apple id, and access your iCloud Drive just as you do in your mac. People seem to forget or not realize that macOS is a multi-user OS 🤓

Excellent point, Luis! I know I don't think of it as I live alone and no one else ever uses my computer.