Yes, to some extent. Your child can change the default settings in the system to weight the impact of Aptitudes, Interest, Personality differently when generating a list of career suggestions. They can change the default academic attainment levels to see how a different level of education generates a different range of careers.
They can also approach the career interest questionnaire with a mindset focused on a specific career, making it more likely that this career is suggested.
Importantly, the Morrisby Profile focuses on the pattern of aptitude scores to suggest a direction of strengths or natural abilities. This information cannot be led, so forms an objective view of your child.