Their rights are identical to other photographers, unless their field is a thing different from other photographers. Their main jobs are about kid's photography and wedding parties. Their shots also include digital photography. So, they are clear regarding their limits. If any client wants them, to take photographs then that client can tell them all where they ought to take photographs where they are not allowed. But as they are professional, every client must respect their knowledge of any place or scene or person appearing inside it.
There are also some required a saskatoon photographers. Their first responsibility is always to take the pictures according to their experience. They need to not disillusion their potential customers who invite these to capture some memorable moments of life by being dishonest regarding their capabilities. The photographer uses all his/her talent to create the picture brighter so a client can enjoy the photography. Don't waste time and memories of anyone. Should they cannot take good photographs just tell the customer that they are canrrrt do what is expected of them. They have not the right to make things impossible for anyone's marriage ceremony or a child's birth.