If you receive VA disability benefits those benefits are not reported on a tax return. The Social Security Disability benefits received and reported on a SSA-1099 are reported on a federal tax return. However, if the SS benefits are the only income being reported on the tax return then there is no benefit or reason to file the tax return.
To enter Social Security benefits reported on form SSA-1099
Or enter social security benefits in the Search box located in the upper right of the program screen. Click on Jump to social security benefits
Up to 85% of Social Security Retirement/Disability/Survivors benefits becomes taxable when all your other income plus 1/2 your social security reaches: