SaintMeerkat

p. 46,  Column 1, Paragraph 5, Sentence 1 -- Should be "possess "Cthulhu's Blessing"

In all of the stat blocks, it's plural (Cthulhu's Blessings), so you may want to change it here, too, for the sake of consistency.

p. 51, Column 1, Paragraph 3 (Finlay Harden's Description) -- Should be "His eyes have a tired sadness..."

p. 46, Column 2, Paragraph 2, Sentence 1 -- Should be "Currently, membership..."

p. 46, Column 1, Paragraph 3, Sentence 1 -- Should be "London's high society..." (no capitals)

p. 40, Column 1, Paragraph 3, Sentence 5 -- Should be "...membership in the Freemasons."

p. 38, Column 2, Paragraph 4, Sentence 2 -- Should be "...with his return.  However, when..."

p. 34, Right margin, Illustration label -- No period at the end of "artwork"

p. 31, Column 1, Paragraph 2, Sentence 2 -- Should be "...as the carnival moved..."

p. 30, Column 2, Paragraph 2 -- Indent paragraph

p. 28, Column 2, Paragraph 1, Sentence 2 -- Should be "...received from Eberhart by A.C. Nightly,"

There is a problem with the cover that I can't reproduce on my desktop.

On my iPad, the logo looks partially obscured and is in a different location, but on my desktop it looks fine.

iPad Pro (9.7") OS 15.1 (Goodreader v.5.11.1162)

Windows 10 Desktop (Adobe Acrobat Reader DC v. 2021.007.20099)

p. 27, Column 1, Paragraph 2, Sentence 2 -- Should "...possessed, for which they had little use."

p. 25, Column 1, Paragraph 7, Sentence 3 -- Should be "...former husbands die..." (no apostrophe)

p. 24, Column 1, Paragraph 2, Sentence 2 -- Should be "One day, the Sleeping...

p. 22, Left margin, Illustration label -- No period at the end of "Victorian Encyclopedia"

p. 19, Right margin, Illustration Label -- No period at the end of "16th century manuscript"

p. 19, Column 1, Paragraph 2, Sentence 1 -- Should be "what is now western Florida,"

p. 11, Column 1, Paragraph 3, Sentence 2 -- Should be "...doing when seated at a computer."

p. 368 - Column 1, Paragraph 1, Last Sentence -- should be Lutheran church..."

p. 281, Dr. Lilian Neill Backstory section (2 errors) -- should be "Prof. Neill" 

and "Du Bois"

EDIT: I finished my read-through. I didn't find anything else.

p. 276 - Father Cloutier Description -- "clean-shaven" should be hyphenated

p. 276, Father Cloutier Stat Block, Combat section -- Brawl damage should be 1D3+1D4

p. 276 - Father Cloutier Skills - Half values for Occult, Persuade, and Psychology should be 27, not 22.

p. 272, Column 1, Paragraph 1, Augury spell -- should be "to tea leaves,"

p. 263, bottom half of page, illustration label -- should be "Escaping the Elder Thing city" or "Escaping the City of Elder Things"