When this grammar pattern is used with a verb, it means giving a permission to do something. When it’s used with an adjective, it shows a sufficient condition. The question form of ‘-어도/아도/여도 돼요?’ can be used.
● 여기에 앉아도 돼요? (Can I sit here?)
● 좀 늦어도 됩니다. (You may be a bit late.)