For Android Users
Yes, it is possible to use your personal hotspot. For detailed steps see, Connect To Hotspot
For iPhone Users
If you are an iPhone user, when you’re pairing your Envision Glasses to your iPhone for the first time, we recommend you connect to a Wi-Fi network or the personal hotspot of another phone.
Similarly, you do have the option of connecting to your iPhone's personal hotspot, this process requires a second screen in addition to your iPhone, on which you can generate a QR Code of your Personal Hotspot password. This second screen can be your laptop, desktop or another iPhone with access to the Internet. For detailed steps see, Connect To Hotspot