This would depend on the exact use case. Feeding in the invoice directly to the model is - in my opinion - the best way to approach this. If you need to search

This would depend on the exact use case. Feeding in the invoice directly to the model is - in my opinion - the best way to approach this. If you need to search over them, then directly embedding them as images is definitely a strong approach. Here's something we wrote explaining the process: https://www.morphik.ai/docs/concepts/colpali https://www.morphik.ai/docs/concepts/colpali