The issue here is that the user wanted to know if it was possible to add his Theme's Post Settings to his custom post types.
Unfortunately no this won't be possible as the theme itself must allow for custom post types to use their settings. Some themes such as DIVI and AVADA allows this.
What I would recommend is to contact your theme's support to see if they have a solution for this.
This is the technical support forum for Toolset - a suite of plugins for developing WordPress sites without writing PHP.
Everyone can read this forum, but only Toolset clients can post in it. Toolset support works 6 days per week, 19 hours per day.
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