Can You Be Fired for Using Different Brand Names to Generate Leads on Facebook?

Can a company terminate its employee based on the employee using different brand names to generate leads on social media platforms like Facebook?

Please provide sufficient information regarding the termination. Who was terminated, when they were terminated, why they were terminated, what the service rules are that provide information about termination, whether the employee received a show cause before termination, whether a domestic enquiry was conducted before termination, the designation of the employee, and any other relevant details.

Without the complete facts of the case, further suggestions cannot be given.