Invoice.pdf : How Add A Top And A Bottom On Each Page ?

Hello,

How add a top and a bottom on each page of invoice.pdf ?

How avoid to have options products cuted on two pdf page?

Thank you very much for your help and advice

Hello,

small up... please how avoid to have a product in two parts ?

https://www.dropbox.com/s/jt863rpw4wgla0t/Product%20in%20two%20parts_linkforumcscart%20.PNG?dl=0

THANK YOU