Missing UV Maps & Blender

They want to get the UV to see how it was unwrapped,to make their own textures.So loading in blender,most the time,jsut put in edit mode,select all verts/edges,whatever your selection mode is,and look in uv editor window,you can export the uv map after.And yes,to see texture on the mesh in blender,jsut load dae,add image you want in material tab,goto edit mode,select faces/edges whatever you need,and then in uv editor select the image from dropdown,it'll add it.I'm jsut giving basic info,incase you kinda already know,there's more indepth guides if you are totally new to it.