This is how to setup POM & PBR for Minecraft 1.14.
Optifine:
https://optifine.net/home
Texture Packs that support POM & PBR:
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Stratum 128x-2048x:
https://continuum.graphics/#stratum
Pulchra Revisited 128x-1024x:
https://atlas.graphics/pulchra
Chroma Hills 128x:
https://www.chromahills.com
Realistico 512x:
https://matteorizzo.com/realistico/
R3D Craft and S&K Photo Realism 128x-512x:
Extensions for the texture packs (You will need the individual texture pack as well):
https://resourcepack.net/resource-pac...
S&K Texture Pack: https://www.planetminecraft.com/textu...
R3D Craft Texture Pack: https://r3dcraft.net/download.php
Minecraft Default Improved (this is the default texture pack with POM and PBR)
https://www.curseforge.com/minecraft/...