Closed Access publications follow the traditional publishing and finding model. In general, an author can publish their work in a closed access publication at no cost to the author. The contents of the publications are only available to subscribers, but the way in which individuals can access that subscription can vary:
Libraries are happy to provide access to published work when it is available and within their budget to do so. However, because these packages can come in a variety of forms, there is no guarantee that a library will have access to the title in which you have published your work.
There are several reasons you may want to choose a closed access publication: