Apple getting money without permission

• What is the exact description of the charge?
• Anyone that has your Password has your permission to add your account to their device and that includes to make purchases.
• Anyone that has your Passcode has your permission to make purchases on your device.
• If you are the Organizer of a Family Plan using Purchase sharing, you have given permission to members to make purchases to your payment method.
• View the devices purchased on your Account by going to the App Store, then tap your icon in the upper right and tap Purchases. You can view purchases the are not on your device by choosing that option on the screen.
• You can view if another device is logged into your account, by going to Settings > [name on top], and scroll to the bottom to view the devices using your Apple Account.

Any purchase/free trial managed by Apple including the amount that you see was done by double clicking the side button with the amount showing on the screen, followed by verification with FaceID or Passcode. Apple is not taking money without that being done.