Both a small computer for an accountant and a render station for 6 video cards in the understanding of PC manufacturers can be called the word "Workstation", so if the management has set you the task of choosing a "Workstation", then in order not to spend money twice, be able to distinguish an ordinary office PC from a real workhorse.

The good thing about the AMD EPYC 7000 platform is that a large number of PCI Express lanes are available to you in 1-socket format. This is a serious advantage for assembling a server with several GPUs, because the 1-processor layout allows you to assemble compact machines in the ATX form factor.