What you are asking, if i understand it right, is pretty straight forward. Your best bet is to learn how to google for what you are attempting to accomplish as there are tons of options for you to pursue and given none of us are involved in your project, the best we can do is generalizations.
read pdf text c# - Google Search
Extract Text from PDF in C# (100% .NET)
In short, use a PDF library in c#, read the content of the PDF into a string/list whatever it returns. Look through the parsed PDF text for the values you are looking for and then perform whatever logic you need to accordingly.