Annual reports present information from companies about themselves and are one of way of assessing a company's current condition. The amount of detail will vary by company.
The Library also holds many annual reports in print, up through the 1960's and 70's. Find these in the Library Catalog searching for the company name as author and report as title. Many older reports do not have full subject headings, like this early one from the Illinois Central Railroad
Analyst Reports are aimed at potential investors. They discuss the recent performance of a company and provide forecasts for the future. Refinitiv Workspace has the broadest coverage, but there are some from smaller firms in S&P Global NetAdvantage.