Hi @Abdullah01
I can try to help you with the hardware side.
The FrSky RC receivers are a little confusing.
They have several SBUS denoted ports on the module.
This diagram shows which pins are utilized for our setup with the Voxl2 I/O board:
https://docs.modalai.com/cable-datasheets/#mcbl-00065
Apologies we do not have the MCBL-00065 for sale yet (it had an error we have yet to address), but if you are handy with a set of tweezers, and are willing to try these steps here to make your own, it's not that hard to pin the side needed for Voxl2 I/O with a 4-pin JST GH shroud.
https://docs.modalai.com/cable-userguides/
You can use a cable like this for starter material: https://docs.modalai.com/cable-datasheets/#mcbl-00015 and splice into the FrSky cable that came with your unit.
Hope this helps!