I've always been confused by this. If you use POM inside your material, your Shader Complexity view will tell you that it is green and it's basically “super free” to use, but
SM5] Error X4532 with POM Material - #19 by RyanB - Rendering - Epic Developer Community Forums
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Thomas Woodward - Midgard 3D - High Detail POM decals inside UE4 - Brief Reference Guide
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SM5] Error X4532 with POM Material - #19 by RyanB - Rendering - Epic Developer Community Forums
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Thomas Woodward - Midgard 3D - High Detail POM decals inside UE4 - Brief Reference Guide
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Thomas Woodward - Midgard 3D - High Detail POM decals inside UE4 - Brief Reference Guide
Thomas Woodward - Midgard 3D - High Detail POM decals inside UE4 - Brief Reference Guide
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POM material - Rendering - Epic Developer Community Forums
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Thomas Woodward - Midgard 3D - High Detail POM decals inside UE4 - Brief Reference Guide