Nice to find Super Sampling AA is in UE4 by default. Under PostProcessVolume > Misc > Screen Percentage
Screens are taken directly off 1920x1080 resolution, DX12. Scene is Lightroom by Koola from Unreal Marketplace.
Screen Percentage 300% with FXAA (basically SSAA3X with FXAA, SSAA alone perhaps not as nice)
Screen Percentage 200% with FXAA (basically SSAA2X with FXAA, SSAA alone not as “sweet” as SSAA with FXAA)
Screen Percentage 100% (SSAA0X or so, seems blurry but you get the point) with FXAA