Grow light placement for Cane Begonias

Does the grow light need to be in front of the plant (like with Monsteras) or does it need to be on top of the plant? How is your setup?

The picture is my current setup and I am rethinking if this grow light is enough (angle/placement; ppfd is good) or should I look into something else.

Does the grow light need to be in front of the plant (like with Monsteras) or does it need to be on top of the plant? How is your setup?

The picture is my current setup and I am rethinking if this grow light is enough (angle/placement; ppfd is good) or should I look into something else.