you may be able to file form 4506 to obtain a copy of her 2024 return or you can file form 4506-T, which is a transcript of the 2024 return. a copy of the return costs $30 while the transcript is free. you must meet the following requirement.
Form 2848 must be included
https://www.irs.gov/pub/irs-pdf/f2848.pdf form
https://www.irs.gov/pub/irs-pdf/i2848.pdf instructions
form 4506 or 4506-T including instructions
https://www.irs.gov/pub/irs-pdf/f4506.pdf 4506
https://www.irs.gov/pub/irs-pdf/f4506t.pdf 4506-t
If signed by an executor, receiver, administrator, trustee, or party other than the taxpayer, I certify that I have the authority to execute Form 4506 on behalf of the taxpayer. Note: This form must be received by IRS within 120 days of the signature date.
you may also have to file form 56 separate and apart from the 4506/2848
https://www.irs.gov/forms-pubs/about-form-56
You can contact support to see if they will help, but due to privacy concerns, they probably will not.
5am-5pm Pacific Time (8-8 Eastern) Monday - Friday
https://support.turbotax.intuit.com/contact
800-446-8848
