Is there a way to add a paid at the top of the invoice

is there a way to add a paid at the top of the invoice
something like this picture

Yes, are you using PDF template or ODT?

Look up this URL : Create a PDF document template - Dolibarr ERP CRM Wiki

Once you get the hang of it, customizing PDF is quite easy. Inserting that PAID image is as easy as one line

$pdf->Image("LINK_TO_LOGO", 10, 5, 60.00);