The MIDI implementation of the Bitstream 3X given on pages 68 to 74 of its manual show that it can be controlled by SysEx messages, not by CC messages.
The schematic on page 25 of the manual shows that the Bitstream 3X’s physical controls are not linked to its MIDI/USB input ports.
The only other messages that the B3X can respond to are clock and transport messages, or note messages to trigger its arpeggiator.
The Octatrack cannot send SysEx messages intended for another device.