Pixelblaze does not (unfortunately) support natively DMX / e1.31 / Artnet on any kind of pixel pushing protocols.
This is mostly due to the fact that Pixelblaze is a strong pattern generator, that’s its strength so it’s not really the best choice to drive LED from an external control (like xLights).
You can find much cheaper controllers (like ESP32s running WLED) that will do it in a seamless way, but if you want to switch back to “standalone” controller, you will miss the (superior) Pixelblaze capabilities.
There is a way though: Lightshowpi (and others) integration: sACN/e1.31 proxy
But i never managed to make it work myself, a bit too hard for me at this stage. If you manage let me know i’m extremely interested as I think being able to switch between standalone Pixelblaze and Pixel Pushing (or even control the Pixelblaze internal patterns through DMX) would be amazing.