To have + somebody + do something (infinitive without to) means 'to convince somebody to do something' or 'to arrange for somebody to do something': Bruno had Icarus check last year's figures.

Have sb do sth vs make sb do sth?

To have someone do something means to cause someone to do something. To make someone do something means to force someone to do something. To get someone do something means to persuade someone or trick someone to do something.

Which is correct someone has or have?

In the present tense, have is the first person singular and plural, second-person singular and plural, and third-person plural conjugation of this verb. Has is the third-person singular present tense.