You can either use

pdflatex EuCAP2023_template.tex

or

latex EuCAP2023_template.tex
dvips -ta4 EuCAP2023_template.dvi
ps2pdf -sPAPERSIZE=a4 -dPDFSETTINGS=/prepress -dEmbedAllFonts=true EuCAP2023_template.ps

Use "-dEmbedAllFonts=true" to include all fonts with ps2pdf as required by PDF eXpress.
