ZBrushCentral

Use zSheres as rigs for imported mesh ?

ZBrush Usage Questions
#1

Use zSheres as rigs for imported mesh ?

I know how to use Traspose.
I know we can use zSheres for rigs with zShere2 meshes.

Can we use zSheres as rigs for imported meshes modeled in foriegn apps
Imported in to zBrush3.5R2 ?

Thanks