Power Steering Leak

I noticed a recent post about the PS high pressure hose. Not having specifics about my own SVX's problems, I wanted to post my own question.

I have a leak somewhere, but not severe . I can top up the reservoir and go a week or so before refilling. Have no noise or hard steering, but fluid leak accumulates on the left side (facing the engine). I've degreased to see where it's coming from, and
it looks like it could be a gasket under the reservoir cover. Is this
a likelihood?

I see no specific hose problem, and have added Power Steering "stop leak" from time to time. It helps a little, but not a lot. I notice there are 2 Torx screws that appear to hold the cover down. Should I get a Torx driver and check them out? Is there a gasket replacement part # I should have? Or can I use
Permatex and make my own?

Advice appreciated!!