The USB UART Example should be binded to the serial drivers from Cypress. It is not binded to cyusb drivers. So it is not shown in the control center.
You can get these drivers here:
You can install these drivers by running the setup or by manually binding these drivers to the device using the device manager. After binding you can see a new device in the COM port section of the device manager along with the COM Port number. However, the device is not expected to show up in the control center.