The first time you attempt to launch a remote session by clicking an Agent Icon or the Remote Control button in VSA, the system will automatically detect if the viewer is missing and prompt you to download the installer.
For a device to be "controllable," it must have the Kaseya Agent installed. Remote Deployment of the VSA X Agent to Remote Computers kaseya remote control download
Customer goes to our website, enters their PIN or company name, selects an OS, and the agent begins to download. Reddit·r/kaseya Installing the VSA 10 agent on a Windows device - Kaseya The first time you attempt to launch a