Drillable geomaps are supposed to work and they do work in newer versions of VA.
When I try it on VA 8.5, it looks like there is a bug in the filter part of the drill-down:
Is that the behavior you are seeing? If you could report this to SAS Technical Support, it is possible we could attempt to hotfix the 8.5 release.
If you get a newer version of VA, this should be working the way you would expect.
Sam
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