Avi Load Balancer Controller deployment brings up the Controller cluster that consist of three identical nodes for control plane traffic, followed by Cloud creation that governs how Service Engines are deployed for handling data traffic. Based on the vCenter permissions for Controller VMs, admin can deploy the Avi Load Balancer in either write access mode (with Controllers having required permissions to create / manage SE VMs) or No Orchestrator mode (with Controllers having no access to vCenter infrastructure).
Following deployment steps covers both the modes of deployment.