This is possible using the Multi User Task In case the users also need to make a decision (the task has multiple outcomes) you can configure how a final outcome can be determined from the individual ones.
Hi, Wei Ming tang
1. Please create one entity like designation type and associates to account
2.who are see the task then give to that person as special destination
3.then you can assign that task to designation
I hope it will be help you,
Thank you,,