Although you are not expected to do "homework" to prepare for PivotPoint's Essential MBSE + SysML Applied training, if you are curious and want to get ahead of the MBSE + SysML multiple learning curves (SysML Language, SysML Tool, MBSE Enterprise Architecture Framework (EAF), MBSE Process), you may want to consider the following learning resources:
If time allows, you may also want to read a SysML primer, which should be a relatively quick read (2-3 hours) for saavy Systems Engineers, and is still approachable for other kinds of Engineers (SWEs, EEs, MEs, AEs, etc.) as well as technically proficient Project Managers.