To use a scanned page in an image editor, decide whether you need the complete page or only an embedded photograph. Rendering a page and extracting its internal images produce different results. Adobe's PDF image-export documentation distinguishes those modes: image extraction concerns raster objects, while page conversion preserves the page's visible composition in the resulting image.
Identify the intended page and content
Keep the original PDF unchanged. Open it, record the target page's position in the file and compare that with any printed page number. A cover or unnumbered insert can make those numbers differ. Note whether the required photo includes handwritten context, a caption or several pieces arranged together.
If you need the complete visible page, use a page-to-image conversion. If you need a separately embedded photograph, image extraction may be appropriate. A scanned page may itself be one raster, but a designed page can contain several images plus text or vector elements. Do not assume that one exported object represents everything you saw.
Check the available export tools
This example uses authorized desktop Adobe Acrobat with the relevant image-export capability. The linked documentation includes differing desktop experiences and older Acrobat editions; consult the help for your installed version. Required export capabilities can involve a paid license or subscription. Free Reader's ability to display the PDF does not establish that your account has the same conversion tools.
Adobe's current image-format conversion guide describes image-format conversion. In the documented export workflow, leaving Export All Images unselected converts pages; selecting it extracts image objects. Read the actual dialog carefully. Save into a separate destination and do not overwrite the PDF.
Verify each kind of result differently
For a page conversion, check output count, page order, orientation and all four boundaries against the PDF. If every page was converted, locate the target by content rather than guessing from a filename. Inspect fine details at a consistent view size before making a working crop.
For object extraction, compare each relevant image with its source position. Check whether text or vector decoration is absent, whether the picture is only part of the intended page, and whether other objects remain separate. Extraction is not automatically a higher-quality complete-page copy.
As a hypothetical family archive, page three might contain a portrait and an explanatory caption. Extracting only the portrait could omit that context; rendering the page keeps the visible arrangement. If the task needs only the portrait, retain the PDF context separately and use the verified extracted image. This is an assumed example, not a conversion quality test.
Acceptance means the chosen file represents the intended page or object, with its role documented and detail adequate for review. Conversion cannot restore missing scan detail. Use the verified copy in Imagild skills, retaining the PDF so another reviewer can check the source.