Catalysis of the reaction: adenosine(1067) in 23S rRNA + S-adenosyl-L-methionine = 2'-O-methyladenosine(1067) in 23S rRNA + H+ + S-adenosyl-L-homocysteine.
S-adenosyl-L-methionine:rRNA (adenosine-2\'-O)-methyltransferase activity