No.
You can't connect a footswitch and an expression pedal simultaneously to the same jack.
You can connect footswitches to the CTL3,4/EXP1 jack and an expression pedal to the CTL5,6/EXP2 jack.
No.
You can't connect a footswitch and an expression pedal simultaneously to the same jack.
You can connect footswitches to the CTL3,4/EXP1 jack and an expression pedal to the CTL5,6/EXP2 jack.