How you pay yourself depends on how your LLC is taxed, not on the fact that it’s an LLC. Here are the four ways it can go.

Only if the LLC is taxed as an S corp or C corp. Single-member and multi-member LLCs taxed by default pay owners through draws or guaranteed payments.
Yes. The IRS requires a reasonable salary through payroll before you take draws.
No. An LLC files as an individual, partnership, S corp, or C corp, by default or by election.