Can someone who is in Yud Bes Chodesh lead Akdamus on Shavuos?
It is permitted or an avel to read the akdomus on Shavous. The reason is since an avel is allowed to read the torah, and the person reading the akdomus is usually the baal koreh. Even if he doesn’t read the torah it is permitted
Daas sofrim 376 ftnt. 93 in the name of Zera Emes. Poskim