Due to a temporary ban on entering Sweden, the Embassy of Sweden in Moscow can only issue visas for those who belong to the category of people who are allowed to enter Sweden and need a visa. More information you can find here. You should contact the Embassy prior to your application by email: firstname.lastname@example.org.
If you want to visit Sweden and are a citizen of a country outside the EU, you may need a visa.
The Embassy of Sweden in Moscow handles visa applications from citizens of the Russian Federation and citizens of other countries who legally reside in the Russian Federation.