You can fin more information about the settings for Privacy & Security on your iPhone in this related article:
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In Settings > Privacy & Security, you can see which apps you have allowed to access certain information, as well as grant or revoke any future access. This might include access to:
- Location Services
- Contacts
- Calendars
- Reminders
- Photos
- Bluetooth
- Local Network
- Nearby Interactions
- Microphone
- Speech Recognition
- Camera
- Health
- Research Sensor & Usage Data
- HomeKit
- Media & Apple Music
- Files and Folders
- Motion & Fitness
- Focus
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On your device, you can select a type of data from this list to see which apps have asked for permission to use that data. An app won't appear on the list until it asks permission to use your data. You can add or remove permission from any app that has asked for access to data. An app can use the data type in the setting only if you have given the app permission.
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copied from: About privacy and Location Services in iOS, iPadOS, and watchOS - Apple Support