To apply for a visa, you must prepare an employment contract with your employer that is valid for at least one year. And the salary level must be at least $3500 per month (income certificate and bank statements for 3-6 months will be required). It is also necessary to purchase local health insurance valid in the region. After submitting the documents, you will have to go through the standard process of medical examination and biometrics.
Thus, it is not necessary to obtain an activity licence to obtain a nomad visa. It is necessary to show proof of employment. This is a great opportunity to live in Dubai, enjoy all the benefits and receive income from sources outside the UAE without being subject to income tax in the country.