My guess is , if your loa is less than 3 months you will surely be back on your position else they have authority to change your position . One of my fellow tm is on LOA and she got an email from target saying the same as she was reaching 3 months soon . But it’s upto your TL/etl . For her case , our TL will give her position back once she returns probably by early fall . Have a talk with your management for more clarity .