Supersu version difference What difference SuperSU that we download from download.chainfire.eu and www.supersu.com/download ? 

Can we rooting using adb sideload from original samsung recovery?
My Device Samsung SM-T211 and SM-T11.

Thanks.
If you want rooting your device download supersu from the official thread on XDA
supersu thread

but if you have android 6.0+ you can install magisk instead magisk thread

You can't root your device with samsung recovery, you have to flash a custom recovery (it avoid the warranty) like TWRP and then you can install supersu/magisk