Sealed records in Illinois?

My bf has a misdemeanor on her record from about 7 years ago in illinois and has been sealed. When an employer conducts a background check, does it still show up since it wasnt expunged?
Update: He wasnt a minor..20 years old. And he has since had two very good jobs, one that came from an internship with a corporate firm and another as an assistant principal however now he was thinking about applying for a job with the military but as a civialian. So we werent sure. The application only asks if you have... show more He wasnt a minor..20 years old. And he has since had two very good jobs, one that came from an internship with a corporate firm and another as an assistant principal however now he was thinking about applying for a job with the military but as a civialian. So we werent sure. The application only asks if you have been convicted of a felony in the last seven years and his answer would be no since it was a misdemeanor but we were wondering would that sealed conviction show up.
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