CA Service Desk Manager Mobile Enabler 2.0 Release Notes documents a restriction for a multi-tenanted user. This document clarifies it a little bit more.
With CA SDM Mobile Enabler 2.0:
So, the limitation is only for the Analyst Queue capability. This also is mainly because of a limitation on the REST API of CA SDM.
Release: SWAMFC059000-12.7-Software Asset Manager-Flow Control