"Is there a way to do any geo-blocking in VIP Manager?" If not, would this be possible through VIP Intelligent Authentication or some type of integration?
Release : Enterprise Gateway - 9.9.2
VIP Manager
Symantec VIP provides capabilities to Step-up transactions originating from countries with Increased Risk. We can configure the countries which should fall in High Increased Risk categories. Below screen shot shows how you can configure that. Login to VIP manager account where you want to make the changes.