It's a high poly model made up by tris and quad topology, it was made specifically for architectural visualization but can be used for others purposes.
About the textures you can find them below on these links they are cc0 textures:
Sofa Pillow : Fabric 009 4K: https://ambientcg.com/view?id=Fabric009
Sofa Legs: Metal 003 4k : https://ambientcg.com/view?id=Metal003
Sofa Body : Fabric 036 4k : https://ambientcg.com/view?id=Fabric036
Cloth: Fabric 042 4k : https://ambientcg.com/view?id=Fabric042
Any questions or problem contact me on my facebook account Ivan Januario Chilundo or my Email ivanjanuario8@gmail.com