Does it make sense?
If I let my daughter go to a pizza place and bring it and
can I say that "I get her a pizza?"

Question

Does it make sense?
If I let my daughter go to a pizza place and bring it and 
can I say that "I get her a pizza?"

Answer

Your question is a little unclear, but I think you want to say 'I sent my daughter out for a pizza' if she goes to the pizza parlor and returns with a pizza.

If you 'get her a pizza' then YOU go to the pizza parlor and buy a pizza for your daughter. 
Was that the question?