A: Yes, for basic remedies. However, for complex charts (like a person with two planets combusted), you may confuse yourself. Use the PDF to fix one obvious problem at a time.
Whether you download a scanned copy or buy the hardcover, remember this: The power of the Lal Kitab lies not in reading, but in doing . Throwing a handful of flour to the fish or changing the direction of your bed may sound absurd to a rational mind. But as GD Vashist proved over 50 years of practice, the universe often responds to simple, physical acts of devotion.
A: Yes, but with a caveat. GD Vashist himself said: "Lal Kitab works for those who have faith in Karma. If you are an atheist, it will not work." It is a system of energy correction, not magic.