Yes. Being quiet does not rule out a real estate career. Being outgoing does not prove someone will be good at it either. Start with the work you would do, the skills you can practise and the support an employer offers.
Cold calling and door knocking are possible marketing tasks. They are not a universal requirement for every real estate job. Ask what the particular role involves, then check that the agency has a lawful process for each channel.
Do not buy an expensive car or wardrobe just to look like you belong in real estate. Check the legal entry requirements, the employer’s actual job terms and the costs of doing the work before spending money.
Choose by comparing the work and working conditions. Sales and property management both involve people, records and decisions. Neither is a simple match for a personality type, and neither guarantees a particular income or lifestyle.