The benefit of external social engagement are conversion as you point out in your article.

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Beyond just these fledgling biotechs, bigger Pharma companies can benefit from having an external SAB aimed at bringing much-needed open market, objective input into the quality and robustness of internal programs.

FORBES: Biotech Scientific Advisory Boards: What Works, What Doesn't

Despite the efforts of the U.S. Treasury Department and other government agencies to curtail financial flows (both overt and covert) to bad actors, these regimes continue to benefit from the lawful inflows of hard currency and external financing.

CENTERFORSECURITYPOLICY: Doing business with Iran

It is only when Al-Zulfiqar relocates to India later that year that the recruits benefit from some real training - courtesy of Indian's external intelligence agency.

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Another benefit is that large firms are increasingly imposing standardised style and terminology rules across all their internal and external documents, including reports and web pages.

ECONOMIST: Machine translation