Changing Valve cover gaskets on a cadillac 4.6

So I am attempting to change the valve cover gaskets on my cadillac. I have been working on cars all my life, but never a cadillac. Do I need to remove the camshaft pulley in order to get the front valve cover off?

You talking valve cover or Head-gasket??? Not familiar with this engine…but I’ve never seen an engine you have to remove the camshaft pulley to replace a valve-cover gasket.