PDF Missing Pictures When Viewing in Preview

Re: "PDF Missing Pictures When Viewing in Preview:

i created a PDF and it's missing images when seen in preview, but not adobe acrobat".

Wondering which format the images are in ((eg: jpg, heic, .png, gif etc.)

and

whether Preview may need the images to be in a different format or a different size.

and

how Preview displays the area where the pictures would be : (eg: blank space / missing photo icon / ? / or such.)

You may be able to : View information about PDFs and images in Preview on Mac - Apple Support to find out more.

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Preview can convert image files to many file types including JPEG, JPEG 2000, PDF, PNG, PSD, TIFF and others. This can be useful if you share files with people who use other kinds of computers or if you want to open files in apps that don’t read all file types.

1. In the Preview app  on your Mac, open the file, then choose File > Export.
2. Click the Format pop-up menu, then choose a file type.

If you don’t see the file type you want, press and hold the Option key and click the Format pop-up menu to see specialised or older formats. More info: Convert image file types using Preview on Mac - Apple Support

Tip: To convert more than one image file at a time, open the files in one window, select them in that window’s sidebar, then follow the steps above.

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Could the images be too big to display?:

Seems Preview will generally show images in full size, unless the settings are changed:

If needed:

You can change the default 100% scale settings to your preference in Preview > Settings > PDF or images:

then choose an option next to “Define 100% scale as”.

• To display a PDF or image at the same dimensions regardless of the screen’s resolution: Select “Size on screen equals size on printout.”
• To display a PDF or image at different dimensions depending on the screen’s resolution: Select "1 point equals 1 screen pixel" or "1 image pixel equals 1 screen pixel."

More info: If PDFs or images aren’t the correct size in Preview on Mac - Apple Support

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If needed: When working with images in Preview: You can check or change image settings:

(Use the Images pane in Preview settings to change options for opening image files and scaling images).

See: Change settings in Preview on Mac - Apple Support

You can: Crop, resize, or rotate an image in Preview on Mac - Apple Support

All the best :-)

Wondering if the nytimes images in the article may have copyright protection.

Seems this nytimes article below describes what is permitted.

https://help.nytimes.com/hc/en-us/articles/115014891408-Obtaining-and-using-Times-content