PDF can work when the report clearly shows the filing period, sales totals, tax figures, and channel treatment. It becomes harder when the document compresses or hides the operational detail.
If the document clearly states gross sales, taxable sales, tax collected, date range, and relevant marketplace treatment, it can be enough to support a filing workflow. That is especially true for smaller businesses or cleaner single-source reporting setups.
PDF is workable when one system produces a consistent reporting view and the business is not juggling too many states or channels inside the same document.
A polished PDF can still hide key details like taxability splits, marketplace exclusions, or destination-level information needed to trust the filing workflow.
As complexity grows, the better path is often to connect source systems directly or use cleaner exports instead of relying on PDF alone.