Hi,
You dont need to import users in cmc.Just create report from BW that includes user list, e-mail adresses and plan version.This is for to send report for each users for each plan version.But you have to re create main report without any input parameter except date/month prompt.You should create dynamic filter on webi for date/month or create dynamic prompt on bex.But just for date/month parameter.For another prompts, you dont need to use any prompt.Just use publication.
Regards,
Utku