It is not uncommon for wheelchair users to have difficulty finding jobs. First there is the problem with accessibility. Many workplaces around the world are just not wheelchair accessible. Second, there is the problem with discrimination. Many employers just prefer to hire able bodied people, because they believe that there will be fewer “problems”. Third, many jobs require more mobility than a wheelchair user can manage. For example, you rarely see wheelchair using firemen or police officers.
So, how can a wheelchair user find employment? One possibility is to get a highly sought education, which will put you in great demand. For example, software engineer or psychotherapist. But for many people such education is out of reach. Another possibility is to do freelance work from home. Read this article about work from home “jobs for wheelchair users”