Yes. Please do the following:
1. Please install the Wear OS App onto your iPhone;
2. Pair the iPhone with the Wear OS 2.0 or above;
3. iPhone Settings > Privacy > Location services (must be ON) > Wear OS > Allow location access Always;
4. Install Standalone Golf GPS by Hole19 - please note that this is not the companion Hole19 app.
Also, please make sure that both the iPhone and the smartwatch are connected via Bluetooth. To check this, go into your Wear OS app on the iPhone and make sure it states that your watch is "Connected via Bluetooth".