How to view MAGI for current tax year to determine ROTH IRA Contribution income limit?

You would need to compute that, the program does not offer it. There is a section where TurboTax can help with Traditional IRA contributions (Other Tax Situations) , but not Roth IRA contributions. 

According to the IRS:

MAGI for Roth IRA contributions

Take your AGI and:

• Add traditional IRA deductions - Schedule 1 (Form 1040), line 20
• Subtract income from converting an IRA (other than a Roth IRA) to a Roth IRA - Form 1040 or 1040-SR, line 4b
• Subtract rollovers from a qualified retirement plan to a Roth IRA - Form 1040 or 1040-SR, line 5b)

For 2024, you can contribute to a Roth IRA if you have taxable compensation and MAGI less than the annual income amount for your filing status:

• Married filing jointly - $240,000
• Married filing separately - $10,000
• All others - $161,000

If your Roth calculated MAGI is more than the annual income amount for your filing status:

You can refigure your AGI for these other income and losses that depend on your AGI for Roth IRA contributions:

• Social Security income – Find more in Contributions to Individual Retirement Arrangements (IRAs), Publication 590-A
• Passive activity losses