Start with one principal floor plant beside the best window and let the other pots occupy separate viewing points. Leave the desk surface usable and keep crowns below important sightlines. A spacious office can use six plants; choose modest specimens rather than filling every corner with mature trees.
The message behind the grouping
Meaning, with a little thought.
Use the strong rubber leaves for resolve, the money tree for culturally familiar good wishes, and the lighter canopies to balance authority with approachability.