While you can access your PowerPoint files saved on a cloud location such as iCloud Drive, or even from a saved Place such as OneDrive or Dropbox. There’s a little known option that also lets you access your PowerPoint files from other cloud services such as Box, Google Drive, etc. within PowerPoint for iPad.
To learn more, choose your version of PowerPoint. If we do not have a tutorial for your version of PowerPoint, explore the version closest to the one you use.
iOS
Access Files from Cloud Locations in PowerPoint for iOS – iPad

Tutorial Code: 01 08 26
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