If you have paired your ProPoint, PadPoint or GT mouse over Bluetooth with your iOS device and it is not working within your Teamviewer session. First make sure that you have the latest version of Teamviewer installed from the App store.
Also check that Teamviewer has access to your Bluetooth devices. To do this open up the Settings app and scroll down until you find Teamviewer. Then make sure it's Bluetooth is enabled, as shown below.