Hi Blanca,
The Diagram Scroll will be updated automatically based on the Diagram’s model size and Client size of the form by default. If the client size is smaller than the Diagram’s model size, the scroll will visible otherwise not. Please check the below attached video.
Video:
If we misunderstood your requirement, please share us more information about your requirement such as video/screenshot of the reported issue which will help us to analyze further and provide you a better solution.
Regards,
Naganathan K G