Publicly Russia treated Snowden just as any (high-level) refugee, there is no value in keeping him in the country, and he himself didn't reveal any discomfort s

Publicly Russia treated Snowden just as any (high-level) refugee, there is no value in keeping him in the country, and he himself didn't reveal any discomfort staying there. So there is no reason to believe they would interfere with his decisions. In fact, if they granted him citizenship, then they might prevent him from traveling because he would become their responsibility in case he gets arrested abroad.