"So I have this ability, if I may say so, to spot talent"

Sally Kirkland is referring to her capability to recognize talent in others. She thinks that she has a special eye for spotting talent in people, and she is confident in her capability to do so. This might mean that she is able to recognize prospective in individuals and help them to reach their goals. She might have the ability to identify people who have the prospective to be effective in a certain field, or she might have the ability to acknowledge people who have the potential to be excellent leaders. Whatever the case may be, Sally Kirkland is positive in her ability to identify skill in others. This might be an important ability for her to have, as it might help her to recognize individuals who could be successful in her field or in any other field. It might likewise help her to develop strong relationships with individuals who have the possible to be effective.