What are the AI features included in AEP subscription which can be used to create the propensity models, look alike models and propensity models. Or additional subscription is required to purchase even if we have AEP subscription to access the AI features

Migrating workloads from Adobe Campaign (campaign V7) to Adobe Experience platform (RTCDP), Is using a third party CDP a good approach? what wis the best practice or recommended approach?

I have created Adobe account, but when I tried to access the  Adobe Experience CloudI get the below message It seems that your Adobe ID is not linked with your Adobe Experience Cloud solution accounts.How to resolve it?