If your CPU usage is not spiking or becoming a bottleneck, then your existing license is okay for your server.
Our web server will only use what it needs. Increasing the usable CPU's may not improve the current performance.
top command will reveal important information about how much resources different processes are taking on your server. (LSWS's process is called
lshttpd, and LiteSpeed Web ADC's process is called lslbd) A couple of these outputs are useful for determining if your installation needs access to more cores: