VPN basically helps you to put a layer on your current location. Most SEO agencies using this VPN proxy to put fake positive or negative reviews or creating accounts behalf of different locations. Somehow that becomes the market needs but if you running a business and giving outstanding services to your clients or customers so you don't need that.
But in another condition, some competitors can do whatever they like to down your business so in this way this becomes the need. And I don't think so my opinion stops anyone
Eventually, I don't like this way because a stable business with stunning service and amazing customer support don't need this anyway.
Hope this helps you!