8k Alpha/Paint Brushes Look Pixelated in UE 5 Landscape

My 8k alpha/paint brushes from Fab show up pixelated and I’ve looked through various solutions, but none of them have worked for me.

I have tried the following below WITH NO RESULTS:

-Changing landscape size/resolution (Mine is 2017x2017 atm)

-Changing brush settings in LOD area (Mip gen settings and texture group)

-Changing blend type of my Landscape Layer Blend node textures from LB Weight Blend to LB Alpha Blend

-Messed with Weight Blend options in Create Layer Info outliner

-Brush sizes, falloffs, tool strengths

The results look “slightly” better with repeating textures in comparison to basic colors, but I wanted to hand paint certain areas of my map to be more of a cartoony desert. I’ve debated just slapping some square planes around my scene and hand painting those squares somewhere else as my short-term solution, but really want to know what’s causing this.

I also keep getting these orange highlighted squares around each area I paint, so idk if that’s a factor too?