There are tools (i.e https://mathpix.com/ https://mathpix.com/) that actually does a pretty great job at LaTeX OCR, although you'll need to re-create labels and

There are tools (i.e https://mathpix.com/ https://mathpix.com/) that actually does a pretty great job at LaTeX OCR, although you'll need to re-create labels and the like. I was pleasantly surprised that it replicated alignments & chose the right font faces while using it.