Go to Content Browser, Enable to show Engine content and then go to buffer visualization folder. There you can find all the Buffer Visualization post process material.
Now go to your scene and create a postprocess volume and add post process material you want in the “Blendables” section. Now you can export the movie from Matinee with that buffer visualization on.
I also had another question, if that’s ok. I would like to also be able to render the different view modes, like Unlit, Wireframe, Reflections, and so on… Is there a way to render them as well? I can’t seem to find their post process materials in the Engine Content.
Go to your level and open level blueprint and create this nodes
Inside commands string you can enter following commands to get the view that you want: