You are not paid for the time spent in a client certification course. As an Authorized agent, Independent Contractor, Sole Proprietor, CSP agent you are responsible for any certification needed that is required to educate yourself to properly provide your services to the client opportunity of your choice.
Classes are instructor led and viewed comparable to schooling. In class you are taught live in a virtual classroom by an instructor with peers. At the end of some client courses there will be a live call taking phase. Any live calls are paid as outlined in your SOW.