The Textarea Card should be used to make your PDFs fillable. Drag this card onto the page from the side menu:
Textarea Menu
The blue Textarea Menu appears when you click on a Textarea Card within the page. These are the available options in the Textarea Card menu:
Text Color
Choose the color of the text within the Textarea Card.
Font
Choose the typeface that will be used for the Textarea Card.
Font Size
Increase or decrease the size of the text within the Textarea Card.
Label
This is the text that appears above the fillable box on the page.
Border Color
Change the color of the border around the fillable box.
Height
Change the height of the fillable box.