According to the video link I sent, it is very clear that once the “programming” or initial setup is performed, the ESC should work. Your description of your problem indicates that programming either failed or was improperly done. I would make another attempt with the ESC plugged into ch 3 which is the “normal” throttle channel. On your transmitter unit, according to the user manual, the throttle control is on the right hand stick. I would try the programming procedure one more time being absolutely certain that you do not leave out a step. If it still does not work, you may want to have conversation with your supplier of that item about replacement.
“what difference does receiver mode PWM or S-bus and PPm ?“
Unfortunately, I do not know the answer to that. I bet that your user manual would explain it.
Good luck - hope you get this resolved.