Hi guys I am not sure which one is the PIC32 MX each GPIO output current stated in the datasheet

 

?? I/O sink or source = 15mA.

 

3rd and 4th line from the bottom - 15 mA.

"Sourcing" means- a pin is high, current flows out of the pin to a load connected to ground.
"Sinking" means - a pin is low, current flows into the pin from a load connected to Vdd.

Current sourced comes from the Vdd pin, current "sunk" flows out of the GND pin.

But you need to make sure not to exceed 200 mA sink/source on all of the pins at the same time.

 

These are the absolute maximum ratings. In your design you should give the IO pins some headroom to these values.