Unable to assign different certificate to same Virtual server

By default you cant assign multiple SSL profile to a virtual .

but if your application supports ssl based on host name ie SNI ,you need to enable SNI in ssl profile

and make one of the client profile as default SSL profile for SNI

for ref https://support.f5.com/csp/article/K13452

https://devcentral.f5.com/s/articles/ssl-profiles-part-7-server-name-indication