Some of them are purely advertising, and there is no intention to recruit people at all.
Your situation is equivalent to submitting a resume, and HR has time to read it before deciding whether an interview is needed. If it's not urgent, put it away as a reserve. In this case, don't get your hopes up. It may take a month or two to call you.
Basically, if you don't respond for a week, it's hopeless at present. This information will not be returned to you.