I'd be interested in hearing a definitive answer here, because it is my understanding that the Viya models can only have one response variable. It is my understanding that Viya is set up to compare different models on the same data with one Y.   While this is probably fine in some industries, in other industries multiple response variables are a common occurrence, and you may want to maximize Y1 and minimize Y2 using the modelling results. In fact, this capability is built into the JMP software published by SAS, although JMP doesn't have the wide set of model types as Viya.     ... View more