A PDF document is accessible to me if I can open and read it. That
might depend on the circumstances and the document. It is a
human-related property of the document. A real human being reading the
A PDF document is tagged if roughly speaking from it an equivalent
HTML document can be obtained, by applying some technically specified
software. The real human being reading the document is not present.
Suppose a person with a disability tries to read a tagged PDF
document. If they succeed, the PDF is accessible to them. If they fail
then it is not.
To be a tagged PDF is a technical question. To be an accessible PDF is
a human question. Let's not confuse the two concepts.
Does it have to be a PDF that the person reads? Perhaps accessible
HTML is both easier to produce and easier to read.
We all have habits
Software engineers see many problems as being technical. Politicians
see many problems as being political. Teacher tend to see many
problems are educational. And so on. They are all correct to some
A LaTeX developer might hope that adding tags to a PDF document would
make it accessible. But that outcome is not certain. And certainly
expensive. At least 2 persons working for 4 year, according to this
Perhaps HTML would be better.
The law of the instrument
According to Abraham Maslow's Law of the
it is tempting, if the only tool you have is a hammer, to treat
everything as if it were a nail.