Implementing batch of 220 minor corrections in an MS Word file

REQUISITE:
We have an MS Word file (a book galley) that is perfectly formatted.
The author has submitted about 220 minor corrections in a PDF version of the same file by applying Adobe's standard commenting tool.

JOB: Implementing the corrections listed in the PDF, into the original MS Word file.

VERY IMPORTANT CONDITION: ALL the formats of the MS Word file (including fonts, sizes...) MUST remain unchanged conserved, and not being touched. Only minor corrections should be implemented.

REQUIRED: Strong MS Word and Adobe Acrobat skills, solid English (mother tongue), excellent references.