No, she does not give herself a Form 1099-MISC for the income from her business. Her net profit or loss is already reported on the Schedule C and on the Schedule 1 Line 3.
A Form 1099-MISC is given to a non-employee (not a company) who has provided a service to her business and then only if the service provided is $600 or more.
If the LLC you are considering is a single-member LLC that is not incorporated with the state, then the IRS considers this type of LLC as a disregarded entity with the income and expenses from the LLC entered on a Schedule C.
Go to this IRS website for Single Member LLC information - https://www.irs.gov/businesses/small-businesses-self-employed/single-member-limited-liability-compan...
