Final answer:
The control that resizes vertically to fit its content when set to yes is the 'Can Grow' property.
Step-by-step explanation:
When a control is set to yes for the Can Grow property, it resizes vertically to fit its content. This is often used in reporting tools or form design within databases or other software applications where the amount of content can vary. The Can Grow property ensures that if the content exceeds the originally designated size of the control, it will expand vertically to accommodate the content without truncating it. On the other hand, the Can Shrink property allows a control to reduce its vertical size if the content is less than the space originally allotted.