That might be beyond the scope of what the Sibelius develop is able to do. Sound Sets are generally for third party sound libraries rather than hardware devices such as a keyboard.
Mac OS 10.12, 10.14, 10.15, Win7, Win10
VDL2.5.5, Finale 2010-14.5, Finale 25-27
Kontakt 4-6, various other soft synths