Is there any ways to Convert Steem to SBD in steemit.com internally rather than external crypto exchange???!!

Is there any ways to Convert Steem to SBD in steemit.com internally rather than external crypto exchange???!!

Please help me out for the ways to convert Steem to SBD..

To be frank, I badly need to know for my post rewards from Hive account@booster and Hive account@randowhale !

Please pour in your ideas or steps to follow!
Thankyou!