There is an rpm for Acrobat Reader 5.07 for Linux from Gurulabs. It anyway didn't work on my machine, so I had to stick to the old reader (version 4.05 that is). But today I found a fix on the web:
OK, this is the error message:
$ /usr/local/Acrobat5/bin/acroread
$ Warning: charset "UTF-8" not supported, using "ISO8859-1".
$ Aborted
But editing the acroread file (/usr/local/Acrobat5/bin/acroread) really works. After the line:
install_dir=/usr/local/Acrobat5/Reader
just insert these two lines:
LANG=C
export LANG
BTW you need to have root accession rights to be able to modify the acroread file.