This behavior is by design. The Remote Viewer is engineered to support "War room" scenarios where different monitoring criteria or sessions can be displayed simultaneously across multiple monitors or independent windows. This modularity allows for highly customized desktop layouts that can be saved and reloaded.
There are two primary ways to manage this design feature based on your requirements:
If your technical requirement is to view and manage multiple sessions within a single application frame, it is recommended to use the Console Manager instead of the Remote Viewer. The Console Manager provides a unified interface for session interaction.
If you prefer to continue using the Remote Viewer but want to manage the multiple windows more efficiently: