After gathering some requirements in my project, I thought that it should be possible for us to control multiple LED Light strip through a servo hat (Considering that we are able to provide enough current to all LEDs through the Servo hat). But from looking at the current Library (https://github.com/adafruit/Adafruit-Raspberry-Pi-Python-Code/tree/master/Adafruit_PWM_Servo_Driver), what can I do to achieve my goal in controlling individual LED on each Light strips on each channel ?
You can not control individually addressable LED strips with PWM.
You need to send a highly precise signal containing RGB values down the strip.
The protocol used is determined by the model of LED strip.