Here are some very helpful links for user training:
Management reporter
https://www.youtube.com/watch?v=6yOllh_6zys
Budgets in AX 2012 R3
https://www.youtube.com/watch?v=x4S_LlDIMkk
Lifecycle Services
https://www.youtube.com/watch?v=nAQGCbhGTcA
Management reporter
https://www.youtube.com/watch?v=6yOllh_6zys
Budgets in AX 2012 R3
https://www.youtube.com/watch?v=x4S_LlDIMkk
Lifecycle Services
https://www.youtube.com/watch?v=nAQGCbhGTcA