Pattern editors?

Hi. Im running trail version. I trying to understand this concept of patterns and complexity. You can edit the pattern for beat agent, but not for acoustic or percussion agent is that correct? You can drag & drop to cubase and than drag it back to a pad. But then you lose the complexity function, right? It seems very strange to me. For beats agent there is a build in editor. It does the same thing as cubase. But for the agents there is no way to do “own” styles with full functionality?