Just because when I searched for any info on using Lightroom (Classic) on EPYC and couldn't find anything, I share my experience with you here.
Server: vmware esxi 7.0 host
EPYC 7313P: 16 cores, 32 threads, 3.0 GHz base, 3.7 GHz boost
64 GB RAM
VM: Windows Server 2022 eval