@cherryandrew Thanks for posting in our Q&A.
For this issue, when your device is enrolled to Intune.
Your organization can't see:
- Calling and web browsing history
- Email and text messages
- Contacts
- Calendar
- Passwords
- Pictures, including what's in the photos app or camera roll
- Content of user created documents
Your organization can always see:
- Device owner
- Device name
- Device serial number
- Device model, such as Google Pixel
- Device manufacturer, such as Microsoft
- Operating system and version, such as iOS 12.0.1
- Device IMEI
For more details, please refer to the following article:
So, it depends on your how you define private information.
Hope it will help.
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