I would not try it - my colleagues who design and implement the custom PCBs have worked with PCB design systems for years
your post 1 started with LoRa peer-to-peer you are now considering LoRaWAN
they are not the same thing - LoRaWAN has a network layer built on top of LoRa
have a look at what-is-peer-to-peer-p2p-lora-communication