If you are plan to buy "Kyoto Sea Area Pass", I recommend you to bring or take a picture of the brochure of the pass which I uploaded on this blog.
I met a Dutch boy today who took a train to visit Amanohashidate with JR Pass and he got no advise or no info about the Kyoto Sea Area Pass on the train and train conductor just asked him to pay extra fare of KTR line after Fukuchiyama. Although he saw a poster at Fukuchiyama station but he didn't knew of how good deal for him.
I think this means train staff don't suggest you about Kyoto Sea Area Pass, you need to tell them by yourself if you want to buy the pass. The train company recruited many new staff this spring although seems no improvement of speaking or contacting in English :(