About moving form fields
You can move form fields in a PDF file by dragging, using keyboard keys, or with the standard Cut and Paste commands.
To move a form field, approximately position it by dragging it to the new location. To limit movement to a horizontal or vertical direction, begin dragging and then press Shift as you drag the selection. Position the form field precisely with the arrow keys.
To relocate or copy a form field to the center of any page, select it, select Cut or Copy at , navigate to the desired page, and select Paste.
Pasted Fields are placed in the center of the page. If further fields are pasted, they appear with an offset, lower and to the right of the first field.