The PCBs have arrived! I ended up ordering from PCBWay and received the boards within 5 days. I had no idea it was so quick and cheap to get some PCBs made, this really changed my whole mentality about making boards for future projects. I spent some time soldering on the components in stages and testing each stage as I went. The first relief was that the POE module was delivering 5V after plugging in the Ethernet cable. The Pi had no problems booting up and connected to the network just fine. I then hooked up the IR LEDs and no problems. Finally the RGB status LED magically worked too. Overall I was super happy that everything went as planned.