What are the issues present in the path of a reuse process?

Regarding the RQs:
What are the required skills in the process of reuse? How will you answer this question? Are you studying reuse in a company? Or are you conducting a survey?
What are the issues present in the path of a reuse process? What is the scope of reuse here, reuse of what?
What are the ways for making the architecture environment reusable? This RQ comes a bit as a surprise since none of the previous RQs and also the summary of the report mention architectural issues. Also, what exactly is an “architecture environment