The seller, whether a solo entrepreneur or large enterprise, is a vendor, merchant, product creator, or retailer with a product to market. The product can be a physical object, like household goods, or a service, like makeup tutorials. Also known as the brand, the seller does not need to be actively involved in the marketing, but they may also be the advertiser and profit from the revenue sharing associated with affiliate marketing.
When using Amazon Associates you can avoid this problem by creating links to categories of products based on a search term, not links to single products. Be aware that you will have serious problems if you use links to specific products on your website. Who wants to be told that they can't look at reviews or other information about a product before they actually add it to their cart?
VigLink works a bit differently than other affiliate programs in that it is specifically designed for bloggers. Instead of affiliates picking and choosing which merchants to work with, VigLink uses dynamic links that automatically change to work with merchants that VigLink has determined are offering the highest conversation rates and/or commissions at any given moment.
You can use social media to share your blog content with affiliate links, or you can directly share your affiliate links. Note, that you should give an indication that the link is an affiliate link when you post to be transparent and not annoy your followers. People don't want to be sold to all the time, so posting affiliate links should be interspersed with non-affiliate and non-sales posts.