Pandoc is an impressive piece of software but I could never quite get PDF generation working nicely with it. Table layouts were often broken, with text overlapping into adjacent fields. Unicode font fallback didn't work properly, with characters like "→" being silently dropped because they didn't exist in the main font. Having predictable control of page breaks, to avoid situations where header text didn't stick to t…
It is true one ends up familiarizing oneself with peculiarities of the typesetting engine. The LLMs are lately teaching me bits and pieces about typst and typst+pandoc which I'm using for a writing project. They all seem infallible about pandoc curiosa.
Tables I agree are a nightmare in any plain text representation whatsoever - except with editor support which alas Word makes easy.