Beer in Grinzing Austria?

I have actually been to numerous heurigen all around the city and have been able to get beer about half the time. Hopefully your tour organizers will take other tastes into account when choosing the location and you'll be able to order beer, but don't count on it.

In the touristy heurigen you can usually also get beer. Which heuriger did you have in mind? If you are around in early fall you can also get Sturm, a strong drink from just fermented grapes. Grape juice and other soft drinks are also usually options as are schnapps. Personally, I avoid Grinzing and go to Stammersdorf or Nussdort or Neustift am Walde.

We will be in Grinzing with the tourists. Some of our party prefer beer. Wondered if I could get at Grinzing

Of course you can.