Complex sentence: Pejman's style has also been likened to thearical set designs by many art critics with the caveat that his unique mixture of classical painting style and use of contemporary colors make his works notable in the school of Realism.
Split into simpler sentences: Pejman's style has also been likened to thearical set designs by many art critics. However, it is his unique combination of classical painting style and use of contemporary colors that make his works notable in the school of Realism.