The same document for different controls

Answer:
I am sorry but I am not sure if I have understood your question, but you can use the same document for different controls (and you can include in the document references to all security controls that apply). For example, with our template “Operating Procedures for Information and Communication Technology” you can implement the relevant controls of A.12 (and some others from others clauses of the standard). If you are interested, you can see a free version of this template clicking on “Free demo” here “Operating Procedures for Information and Communication Technology” : https://advisera.com/27001academy/documentation/security-procedures-for-it-department/

By the way, it is not necessary a document for all security controls, if you want to know the list of mandatory documents, I recommend you this article “List of mandatory documents required by ISO 27001 (2013 revision)” : https://advisera.com/27001academy/knowledgebase/list-of-mandatory-documents-required-by-iso-27001-2013-revision/

Finally, maybe our online course can be also interesting for you “ISO 27001:2013 Foundations Course” : https://advisera.com/training/iso-27001-foundations-course/