Hello!
The time it takes to see improvements in your rankings after acquiring backlinks can vary depending on several factors. First, ensure that the backlinks are properly indexed by search engines, as this is a crucial step. If the links are indexed, the results typically take time to reflect in your rankings.
On average, it can take anywhere from a few weeks to a couple of months to start seeing noticeable changes, especially if the backlinks are from quality domains. Keep in mind that ranking improvements depend on the overall authority of the linking domains, your site's content quality, competition within your niche, and etc.
If you don't see results within this timeframe, it's worth reviewing other aspects of your SEO strategy, as backlinks are only one component of the broader ranking process.