\documentclass{scrartcl}

\title{MWE}
\author{Daniel}

\begin{filecontents*}[overwrite]{\jobname.xmpdata}
    \Title{\title{}}
    \Author{\author{}}
    \Subject{}
    \Keywords{}
    \Language{en-GB}
    \Publisher{}
\end{filecontents*}

\usepackage[a-1b]{pdfx}

\usepackage[acronym,toc=false,nonumberlist]{glossaries-extra}

\newacronym{ac:PDF}{PDF}{probability density function}
\newacronym{ac:IID}{IID}{independent and identically distributed}

\makeglossary

\begin{document}

    \maketitle

    Test: \glossary{ac:PDF}

\end{document}