That depends on his/her credit and DTI.
If you can qualify on your own, usually it is better to keep it that way. If you add a spouse with a lower credit score, that could make your interest rate increase.
If you add a spouse with a higher DTI that you, that will make it a more difficult approval process.
Your Vetted VA Loan Office will be able to work over all the facts and math and show you all the options available to you.