A leather three piece suite is the best thing you can get as far as sofas and suites go. They are big, beautiful and comfortable. Leather is a great material because it is durable and you will be able to maintain it without any problems. Cleaning is easy and it also gets torn really rarely.
This kind of quality costs though, so a leather corner sofa will cost more than the ones made of more regular materials. But considering it will outlast any of them, your investment is spread to a longer period of time, making it perhaps even cheaper in the long run.
A leather three piece suite can be either placed into your living room, but it is also not too odd to see one in an office. Well, 3 piece suites might not be as common in such places, but now and then you can still catch one there. Regular sofas or corner sofas are more common in offices.
As I already mentioned earlier, one of the perks of having a leather three piece suite is its durability. Leather is a very strong material so it is almost impossible to tear it by regular use. If you have pets, especially cats, that can be a problem, however. Cats love leather and they love to scratch. In such cases you are better off with a cheaper fabric three piece suite, or at least a sofa cover.