No. This tool is not intended for that application.
The DEKOPRO DKCD20XL01 is intended for driving screws and drilling in wood, metal, ceramics, and plastic. Using it to mix thick compounds like drywall mud or paint creates a hazardous situation.
WHY NOT: The high viscosity of these materials can cause the tool to bind, creating extreme reaction torque. This can wrench the drill from your hands or damage the gearbox. The tool is not designed for the sustained, high-load operation that mixing requires.
HEADS UP: Always use the correct tool for the job. Use a power tool specifically designed as a mixer for those materials. Using a drill for operations different from those intended could result in loss of control, personal injury, or tool failure.