According to WiseVector they can both run together.We need confirmation from Kaspersky before we can conclude WV and Kaspersky can run simultaneously.
I have found no issues with the dumb detection routines as for in the wild malware there were samples caught by one and allowed by others but overall leading to additive protection. But the AI component of WV still impresses, and along with Comodo's auto-sandbox true zero day malware really...
We heard there is no conflict between WVSX and KIS, so you can enable both FW.
But if you feel any lag, such as slow website loading, you can try to turn off KIS's firewall.