I have downloaded on my pc adobe acrobat reader dc, without wanting to delete a couple of tools within the comment category, how do I recover them? the tools that you lost are those of selecting the line thickness, fixing the tool and the one that is for

I have downloaded on my pc adobe acrobat reader dc, without wanting to delete a couple of tools within the comment category, how do I recover them? the tools that you lost are those of selecting the line thickness, fixing the tool and the one that is for making shapes