Yes, you can establish both a Maximum Length and a Minimum Length for Text Boxes and Text Areas to set a length limit to your form inputs. Go to your Form Editor, click on the field to open its Edit Field panel, then click on Advanced and fill in the maximum/minimum length limit required.
You can also establish both a Maximum Value and Minimum Value for Text Boxes, in the same panel, in Form Editor, under Advanced of each selected Text box field.
Case scenario: You’re organizing an event, perhaps a birthday party, and you’ve created a contact form where people could sign up and attend your event. You can use the Maximum Value to limit the number of guests to your event, if you have limited seats.