You can create and edit form fields. A form field can be drawn anywhere
on the PDF page. You can resize or delete a single form field or multiple
form fields simultaneously.
To create a form field
Choose Forms > [desired tool], or select a form tool on the Form Tools toolbar.
Drag the cursor to create a form field of the required size.
To resize one or more form fields
Select the form field(s) you want to resize.
To resize the fields by dragging, select the form tool that was used to create the form field, and then drag any border handle on the field. Press Shift to keep the current field’s aspect ratio.
To resize the fields by one pixel, press the Ctrl+Arrow key; to resize the fields by 10 pixels, press Ctrl+Shift+Arrow.
To resize a group of form fields to have the same width, height, or area of a particular form field, select the fields to be changed; then right-click over the field that has the dimension you want and choose Height, Width, or Both under Size in the shortcut menu.
To delete a form field
Right-click a field and choose Edit > Delete from the shortcut menu, or select a field and press Delete.