Members of the public will not be able to see a conviction that is sealed.  However, sealed records can be made available to the following:
You or anyone you authorize to see the records.
Federal, state, and local law enforcement agencies acting within the scope of their law enforcement duties.
Any agency that issues firearm licenses or pistol permits, as well as the criminal justice information services of the federal bureau of investigation for the purpose of responding to a background check regarding attempts to purchase or possess firearms.
Any prospective employer of a police officer or peace officer.