Hot answers tagged page-layout
Yes, inside the .aspx files for the layout, use the Security Trimmed Control: https://msdn.microsoft.com/en-us/library/office/microsoft.sharepoint.webcontrols.spsecuritytrimmedcontrol.aspx Specifically you'd probably do something like this: <SharePoint:SPSecurityTrimmedControl ID="SPSecurityTrimmedControl1" ...
If it's SharePoint 2013 you can go to that file (ms office files) click on the elipses so you get the preview, at the bottom of the preview there is a drop down, click the drop down and select embed information. Copy the code and paste it in a content editor.
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