Native Instruments MASCHINE MK3 Groove Production Studio (Black) - Manual (Page 665)

Use the horizontal scroll bar to display the other Plug-in panels.
If the MASCHINE window is not high enough for any Plug-in panel to be displayed entirely, a
vertical scroll bar appears on the right of the panel to display the hidden part:
Use the vertical scroll bar to display the rest of the Plug-in.
13.4.1 The Plug-in Header
For all types of Plug-ins (Internal, Native Instruments, and External) the Plug-in panel displays
a Plug-in Header at the top:
Controlling Your Mix
The Plug-in Strip
MASCHINE - Manual - 665