Doesn’t necessarily mean she is not a socialist.
She may be a democratic socialist while the military junta was an authoritarian socialist.
All socialists are authoritarian. They like to increase democracy to increase mob rule and tyranny of majority.
JFTR, Suu Kyi does belong to the social-democratic National League for Democracy party, which is a member of the Socialist International.
As for Obama, he butted into the 2010 Burmese elections, which the NLD boycotted, describing them as “stolen”.