Whenever possible, regardless of fabric, but especially with more delicate materials, have your piece treated with a soil repellent. Many such treatments can be found on the market, and your Parker representative can make recommendations based on the piece you have purchased and the type of wear it will receive. Such treatments can make a significant difference in keeping upholstered furnishings clean, and are well worth the cost-usually in the vicinity of $100.
Unfortunately, there is no topical protection available against fading, which is simply a factor of exposure to sunlight. Choosing a light, fade-resistant fabric is the best pre-emptive option.