once u created the users in section access u need to add the datafields on which reduction has to be done,
then tie that data fields to your datamodel, make sure u want to do either datalevel or row level or deocument level security. once its done then make sure to chek the opttions from document properties
3)....reduction based on section access ....
then u have to reload the application and exit the app and try to login again..