I am wondering about the seams. In many of the pictures from customers it seems that the seams are obvious. Will this diminish with time, or is it something that can be avoided with proper installation? I have a large area I'd like to put turf in.

Avoiding seams or at least making them not look too obvious is possible with proper installation. There are many youtube videos that can help you achieve this. We do offer accessories that you will need for this, please see our turf staples, turf nails and seam tape here https://www.rubberflooringinc.com/turf-accessories.html