No boot messages are being diaplyed while booting FREERTOS
You are assuming that every operating system "interacts" with a human. That is not true, and FreeRTOS is designed for applications where the operating system typically does not have a means for interaction or a need to do so. Therefore, FreeRTOS does not attempt to print or display any messages to a human observer.

FreeRTOS and Linux are vastly different, and they should be because they are intended for vastly different purposes. Your question is like complaining that the air conditioning on your bicycle doesn't work like it does in your minivan.