"Are seated" implies a state of being in a seated position. Some synonyms for this phrase include "are perched," "are situated," "are postured," "are planted," "are ensconced," and "are settled." Each of these phrases denotes a similar state of being, but may carry different connotations. For example, "are perched" suggests a more precarious or temporary seating arrangement, while "are ensconced" implies a more permanent placement. Using different synonyms can add variety and interest to your writing, while still conveying the same basic idea.