A Boca Raton real estate investment firm bought a five-building east Orlando office park for $33.3 million on Auction.com, according to a news release. Crocker Partners LLC bought the 386,512-square-foot, 27-acre Orlando University Center office park west of the University of Central Florida’s main campus. The office park — whose tenants include Woolpert Inc., Zenith Insurance, the Social Security Administration and Dignitas — was 70 percent occupied at the time of the sale, the release said. Fred…