@CSAdmin1stMid, Thanks for posting in Q&A.
For your issue, we can create a Wi-Fi profile for iOS device to make it automatically connect Wi-Fi when it in range.
Here are some links you can refer to configure Wi-Fi profile settings.
https://learn.microsoft.com/en-us/mem/intune/configuration/wi-fi-settings-ios
https://www.anoopcnair.com/setup-wi-fi-profile-for-macos-using-intune/
Non-official, just for reference.
Or we can Reset device passcode from Company Portal website and set up a new password.
https://learn.microsoft.com/en-us/mem/intune/user-help/reset-your-passcode-cpwebsite
Hope above information can help you.
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