how to move or zoom Logitech Rally Camera by remote participant ?

for Microsoft Teams you can use the plugin, for example..:
https://teams.microsoft.com/l/app/57799d60-92cd-40fd-8051-3570a1290828?source=app-details-dialog

For Zoom:

For your own use, you can activate or deactivate remote control of the camera by following the steps below:

• Log in to the Zoom web portal.
• Click on "Settings" in the navigation area.
• Select "Meetings".
• To activate or deactivate remote control of the camera, click on the "In Meeting (Advanced)" button.
• Check the change by clicking on "Activate" or "Deactivate" when a confirmation dialog is displayed.

Note: Options with a gray background are locked at account or group level. Please contact your Zoom administrator.

To use remote control of the camera:

• Join or start a Zoom meeting.
• You can request camera control from a participant in the meeting by selecting the video and choosing "Request Camera Control".
• You cannot control the camera if the participant does not have a camera with PTZ function.
• A prompt will appear for the participant to accept the camera control.
• Once the control has been approved, the participant's camera can be panned, tilted and zoomed.