Business functions in SAP Upgrade

Good afternoon

Uncomfortable asking them for their support

we are conducting tests to migration to V5 V6 technique in SAP, but we wanted to make

some validation to determine whether to migrate functional features are enabled only business we want to activate and validate these improvements and new screens and fields, but when doing so, we see that there is some functions were fitted but failed to see nothing else, know whether it is also necessary to activate the desired business function is further supplemented by some configuration?

thank you hopefully someone can support me

good morning