Complex sentence: Pompadour greatly influenced the Rococo interior decorative style, though her constant refurnishing of the fifteen residences she held with Louis, and she has been hailed as a major innovator and influence of the Rococo style.
Split into simpler sentences: Pompadour greatly influenced the Rococo interior decorative style, though her constant refurnishing of the fifteen residences she held with Louis. Pompadour has been hailed as a major innovator and influence of the Rococo style.