The service originally didn't support the Pixel Tablet, but Google has finally added support in the latest Android 15 QPR2 Beta 1 release.

If you want to access geo-blocked content, then there are plenty of VPNs you can use to do so. It's generally recommended to avoid free VPN providers if you value your privacy and want the best speeds, but if you own a Google Pixel device, then you should give Google's VPN service a shot. VPN by Google is available exclusively for the Pixel 7 and later at no extra cost, but it hasn't been available for the Pixel Tablet. That's finally changing with the next Android release.