multi node sql server config

We are planning to move from Windchill PDM Essentials 11.1 M020 (since this has no more support since January 2023)  to   Windchill PLM 12.1.2.1 ----    Will this kind of architecture layout look as a recommended one for a long haul? 

Attaching an image

Can we have 2 VM's with SQL Servers on it and have the Windchill servers (1, 2, ...n) talk to these SQL servers?  This is some kind of architecture I was thinking of but like to hear from the SME's. 

Appreciate the kind responses in advance!